Evidence Scan of Work Experience Programs. Mathematica Reference Number: 06747-100
ERIC Educational Resources Information Center
Sattar, Samina
2010-01-01
This study, being conducted through the Center for Improving Research Evidence (CIRE) at Mathematica Policy Research for the venture philanthropy organization REDF (formerly The Roberts Enterprise Development Fund), presents the evidence on the effectiveness of interventions that include work experience as a strategy to improve employment outcomes…
Federal Register 2010, 2011, 2012, 2013, 2014
2012-01-04
... Donald Howard, (410) 786-6764, Hospital Value-Based Purchasing (VBP) Program Issues. SUPPLEMENTARY... analyses performed by Brandeis University and Mathematica Policy Research together despite their slightly...
75 FR 29368 - Agency Information Collection Activities: Comment Request
Federal Register 2010, 2011, 2012, 2013, 2014
2010-05-25
... made available to researchers on CD-ROM and on the World Wide Web. Mathematica Policy Research will... NATIONAL SCIENCE FOUNDATION Agency Information Collection Activities: Comment Request AGENCY: National Science Foundation. ACTION: Submission for OMB review; comment request. SUMMARY: The National...
78 FR 72679 - Submission for OMB Review: Comment Request
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2013-12-03
... OMB Review: Comment Request Title: RPG National Cross-Site Evaluation and Evaluation Technical..., activities, and services designed to increase well-being, improve permanency, and enhance the safety of... Research. The evaluation is being implemented by Mathematica Policy Research and its subcontractors, Walter...
76 FR 39394 - Notice of Proposed Information Collection Requests
Federal Register 2010, 2011, 2012, 2013, 2014
2011-07-06
... within the U.S. Department of Education (ED) has contracted with Decision Information Resources, Inc. and Mathematica Policy Research, Inc. to assess the procedures for collecting and reporting program performance and evaluation data for eleven ED grant programs. These audits and assessments will provide ED with...
Federal Register 2010, 2011, 2012, 2013, 2014
2013-09-27
... Education Sciences/National Center for Education Statistics (IES), Department of Education (ED). ACTION... Education Sciences (IES) U.S. Department of Education and is being implemented by ICF International and its subcontractor, Mathematica Policy Research. This submission requests approval to recruit districts for the study...
The Effectiveness of Mandatory-Random Student Drug Testing. NCEE 2010-4025
ERIC Educational Resources Information Center
James-Burdumy, Susanne; Goesling, Brian; Deke, John; Einspruch, Eric
2010-01-01
To help assess the effects of school-based random drug testing programs, the U.S. Department of Education's Institute of Education Sciences (IES) contracted with RMC Research Corporation and Mathematica Policy Research to conduct an experimental evaluation of the Mandatory-Random Student Drug Testing (MRSDT) programs in 36 high schools within…
Federal Register 2010, 2011, 2012, 2013, 2014
2010-05-21
... applicant must demonstrate in its application that its proposed PBCS is designed to assist high-need schools... implementation plan developed by the Institute of Education Sciences (IES) evaluator, Mathematica Policy Research...) A letter from the research office or research board of the participating LEA that expresses an...
Abstinence Programs Don't Work, Largest Study to Date Concludes
ERIC Educational Resources Information Center
Freking, Kevin
2007-01-01
This article reports on a study conducted by Mathematica Policy Research Inc. of students in four abstinence programs, as well as peers from the same communities who did not participate in the abstinence programs. A federally mandated report said that students who participated in sexual-abstinence education programs partially funded by the federal…
Evaluating ARRA Programs and Other Educational Reforms: A Guide for States
ERIC Educational Resources Information Center
Perez-Johnson, Irma; Walters, Kirk; Puma, Michael; Herman, Rebecca; Garet, Michael; Heppen, Jessica; Lemke, Mariann; Aladjem, Daniel; Amin, Samia; Burghardt, John
2011-01-01
The American Institutes for Research (AIR) and Mathematica Policy Research (MPR) developed this guide to help you consider evaluation issues likely to arise as you launch ARRA-funded initiatives and other educational reform activities. Many states are already involved in evaluation, so many of the ideas presented here may be familiar. The authors…
ERIC Educational Resources Information Center
Darling-Hammond, Linda
2009-01-01
Recent findings from a Mathematica study comparing the performance of teachers prepared via alternative and traditional routes have been interpreted to suggest that policymakers and practitioners should expand the use of fast-entry alternative routes and seek teachers trained through such programs, as they presumably perform as well in the…
ERIC Educational Resources Information Center
Glazerman, Steven; Seif, Elizabeth; Baxter, Gail
2008-01-01
This report examines the career trajectories of those who have successfully completed the Passport to Teaching certification offered by the American Board for Certification of Teacher Excellence (ABCTE) during its first years of existence. To elicit information on the career choices of Passport alumni, Mathematica Policy Research, Inc. (MPR)…
ERIC Educational Resources Information Center
Ross, Christine; Sama-Miller, Emily; Roberts, Lily
2018-01-01
The "Integrated Approaches to Supporting Child Development and Improving Family Economic Security" project was conducted by Mathematica Policy Research and Northwestern University for the Office of Planning, Research and Evaluation (OPRE), in the Administration for Children and Families (ACF) at the U.S. Department of Health and Human…
ERIC Educational Resources Information Center
Cohen, Rhoda; KewalRamani, Angelina; Nogales, Renee; Ohls, James; Sinclair, Michael
2004-01-01
This report describes research that Mathematica Policy Research, Inc. (MPR) has conducted for the U.S. Department of Agriculture (USDA), Food and Nutrition Service (FNS), to develop methods to track the use of "competitive foods" in schools over time. Competitive foods are foods from a la carte cafeteria sales, vending machines, school stores,…
ERIC Educational Resources Information Center
Glazerman, Steven; Myers, David
2004-01-01
In October 2002, the Institute of Education Sciences (IES) contracted with Mathematica Policy Research, Inc. (MRP) to help identify issues pertinent to the evaluation of Title I and to propose feasible evaluation design strategies. This design effort took its lead from two sources: (1) the Title I Independent Review Panel (IRP); and (2) a more…
Interactive Mathematica Simulations in Chemical Engineering Courses
ERIC Educational Resources Information Center
Falconer, John L.; Nicodemus, Garret D.
2014-01-01
Interactive Mathematica simulations with graphical displays of system behavior are an excellent addition to chemical engineering courses. The Manipulate command in Mathematica creates on-screen controls that allow users to change system variables and see the graphical output almost instantaneously. They can be used both in and outside class. More…
Gas Permeation Computations with Mathematica
ERIC Educational Resources Information Center
Binous, Housam
2006-01-01
We show a new approach, based on the utilization of Mathematica, to solve gas permeation problems using membranes. We start with the design of a membrane unit for the separation of a multicomponent mixture. The built-in Mathematica function, FindRoot, allows one to solve seven simultaneous equations instead of using the iterative approach of…
HEPMath 1.4: A mathematica package for semi-automatic computations in high energy physics
NASA Astrophysics Data System (ADS)
Wiebusch, Martin
2015-10-01
This article introduces the Mathematica package HEPMath which provides a number of utilities and algorithms for High Energy Physics computations in Mathematica. Its functionality is similar to packages like FormCalc or FeynCalc, but it takes a more complete and extensible approach to implementing common High Energy Physics notations in the Mathematica language, in particular those related to tensors and index contractions. It also provides a more flexible method for the generation of numerical code which is based on new features for C code generation in Mathematica. In particular it can automatically generate Python extension modules which make the compiled functions callable from Python, thus eliminating the need to write any code in a low-level language like C or Fortran. It also contains seamless interfaces to LHAPDF, FeynArts, and LoopTools.
FormTracer. A mathematica tracing package using FORM
NASA Astrophysics Data System (ADS)
Cyrol, Anton K.; Mitter, Mario; Strodthoff, Nils
2017-10-01
We present FormTracer, a high-performance, general purpose, easy-to-use Mathematica tracing package which uses FORM. It supports arbitrary space and spinor dimensions as well as an arbitrary number of simple compact Lie groups. While keeping the usability of the Mathematica interface, it relies on the efficiency of FORM. An additional performance gain is achieved by a decomposition algorithm that avoids redundant traces in the product tensors spaces. FormTracer supports a wide range of syntaxes which endows it with a high flexibility. Mathematica notebooks that automatically install the package and guide the user through performing standard traces in space-time, spinor and gauge-group spaces are provided. Program Files doi:http://dx.doi.org/10.17632/7rd29h4p3m.1 Licensing provisions: GPLv3 Programming language: Mathematica and FORM Nature of problem: Efficiently compute traces of large expressions Solution method: The expression to be traced is decomposed into its subspaces by a recursive Mathematica expansion algorithm. The result is subsequently translated to a FORM script that takes the traces. After FORM is executed, the final result is either imported into Mathematica or exported as optimized C/C++/Fortran code. Unusual features: The outstanding features of FormTracer are the simple interface, the capability to efficiently handle an arbitrary number of Lie groups in addition to Dirac and Lorentz tensors, and a customizable input-syntax.
ERIC Educational Resources Information Center
Chaplin, Duncan; Bleeker, Martha; Booker, Kevin
2010-01-01
Roads to Success (RTS) is a school and career planning program designed to be implemented for 45 minutes per week in grades 7 through 12. Researchers at Mathematica Policy Research used a random assignment design to estimate the impacts of receiving RTS in grades 7 and 8. More than half of the students in these schools were eligible for free or…
Using Combinatorica/Mathematica for Student Projects in Random Graph Theory
ERIC Educational Resources Information Center
Pfaff, Thomas J.; Zaret, Michele
2006-01-01
We give an example of a student project that experimentally explores a topic in random graph theory. We use the "Combinatorica" package in "Mathematica" to estimate the minimum number of edges needed in a random graph to have a 50 percent chance that the graph is connected. We provide the "Mathematica" code and compare it to the known theoretical…
ERIC Educational Resources Information Center
Matsumoto, Paul S.
2014-01-01
The article describes the use of Mathematica, a computer algebra system (CAS), in a high school chemistry course. Mathematica was used to generate a graph, where a slider controls the value of parameter(s) in the equation; thus, students can visualize the effect of the parameter(s) on the behavior of the system. Also, Mathematica can show the…
LevelScheme: A level scheme drawing and scientific figure preparation system for Mathematica
NASA Astrophysics Data System (ADS)
Caprio, M. A.
2005-09-01
LevelScheme is a scientific figure preparation system for Mathematica. The main emphasis is upon the construction of level schemes, or level energy diagrams, as used in nuclear, atomic, molecular, and hadronic physics. LevelScheme also provides a general infrastructure for the preparation of publication-quality figures, including support for multipanel and inset plotting, customizable tick mark generation, and various drawing and labeling tasks. Coupled with Mathematica's plotting functions and powerful programming language, LevelScheme provides a flexible system for the creation of figures combining diagrams, mathematical plots, and data plots. Program summaryTitle of program:LevelScheme Catalogue identifier:ADVZ Program obtainable from: CPC Program Library, Queen's University of Belfast, N. Ireland Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADVZ Operating systems:Any which supports Mathematica; tested under Microsoft Windows XP, Macintosh OS X, and Linux Programming language used:Mathematica 4 Number of bytes in distributed program, including test and documentation:3 051 807 Distribution format:tar.gz Nature of problem:Creation of level scheme diagrams. Creation of publication-quality multipart figures incorporating diagrams and plots. Method of solution:A set of Mathematica packages has been developed, providing a library of level scheme drawing objects, tools for figure construction and labeling, and control code for producing the graphics.
Spinors: A Mathematica package for doing spinor calculus in General Relativity
NASA Astrophysics Data System (ADS)
Gómez-Lobo, Alfonso García-Parrado; Martín-García, José M.
2012-10-01
The Spinors software is a Mathematica package which implements 2-component spinor calculus as devised by Penrose for General Relativity in dimension 3+1. The Spinors software is part of the xAct system, which is a collection of Mathematica packages to do tensor analysis by computer. In this paper we give a thorough description of Spinors and present practical examples of use. Program summary Program title: Spinors Catalogue identifier: AEMQ_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEMQ_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 117039 No. of bytes in distributed program, including test data, etc.: 300404 Distribution format: tar.gz Programming language: Mathematica. Computer: Any computer running Mathematica 7.0 or higher. Operating system: Any operating system compatible with Mathematica 7.0 or higher. RAM: 94Mb in Mathematica 8.0. Classification: 1.5. External routines: Mathematica packages xCore, xPerm and xTensor which are part of the xAct system. These can be obtained at http://www.xact.es. Nature of problem: Manipulation and simplification of spinor expressions in General Relativity. Solution method: Adaptation of the tensor functionality of the xAct system for the specific situation of spinor calculus in four dimensional Lorentzian geometry. Restrictions: The software only works on 4-dimensional Lorentzian space-times with metric of signature (1, -1, -1, -1). There is no direct support for Dirac spinors. Unusual features: Easy rules to transform tensor expressions into spinor ones and back. Seamless integration of abstract index manipulation of spinor expressions with component computations. Running time: Under one second to handle and canonicalize standard spinorial expressions with a few dozen indices. (These expressions arise naturally in the transformation of a spinor expression into a tensor one or vice versa.)
ERIC Educational Resources Information Center
Cahalan, Margaret; Goodwin, David
2014-01-01
In January 2009, in the last week of the Bush Administration, the U.S. Department of Education (ED), upon orders from the departing political appointee staff, published the final report in a long running National Evaluation of Upward Bound (UB). The study was conducted by the contractor, Mathematica Policy Research. After more than a year in…
Projectile Motion with Mathematica.
ERIC Educational Resources Information Center
de Alwis, Tilak
2000-01-01
Describes how to use the computer algebra system (CAS) Mathematica to analyze projectile motion with and without air resistance. These experiments result in several conjectures leading to theorems. (Contains 17 references.) (Author/ASK)
The high-energy physicistʼs guide to MathLink
NASA Astrophysics Data System (ADS)
Hahn, T.
2012-03-01
MathLink is Wolfram Research's protocol for communicating with the Mathematica Kernel and is used extensively in their own Notebook Frontends. The Mathematica Book insinuates that linking C programs with MathLink is straightforward but in practice there are quite a number of stumbling blocks, in particular in cross-language and cross-platform usage. This write-up tries to clarify the main issues and hopefully makes it easier for software authors to set up Mathematica interfacing in a portable way.
QDENSITY—A Mathematica quantum computer simulation
NASA Astrophysics Data System (ADS)
Juliá-Díaz, Bruno; Burdis, Joseph M.; Tabakin, Frank
2009-03-01
This Mathematica 6.0 package is a simulation of a Quantum Computer. The program provides a modular, instructive approach for generating the basic elements that make up a quantum circuit. The main emphasis is on using the density matrix, although an approach using state vectors is also implemented in the package. The package commands are defined in Qdensity.m which contains the tools needed in quantum circuits, e.g., multiqubit kets, projectors, gates, etc. New version program summaryProgram title: QDENSITY 2.0 Catalogue identifier: ADXH_v2_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADXH_v2_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 26 055 No. of bytes in distributed program, including test data, etc.: 227 540 Distribution format: tar.gz Programming language: Mathematica 6.0 Operating system: Any which supports Mathematica; tested under Microsoft Windows XP, Macintosh OS X, and Linux FC4 Catalogue identifier of previous version: ADXH_v1_0 Journal reference of previous version: Comput. Phys. Comm. 174 (2006) 914 Classification: 4.15 Does the new version supersede the previous version?: Offers an alternative, more up to date, implementation Nature of problem: Analysis and design of quantum circuits, quantum algorithms and quantum clusters. Solution method: A Mathematica package is provided which contains commands to create and analyze quantum circuits. Several Mathematica notebooks containing relevant examples: Teleportation, Shor's Algorithm and Grover's search are explained in detail. A tutorial, Tutorial.nb is also enclosed. Reasons for new version: The package has been updated to make it fully compatible with Mathematica 6.0 Summary of revisions: The package has been updated to make it fully compatible with Mathematica 6.0 Running time: Most examples included in the package, e.g., the tutorial, Shor's examples, Teleportation examples and Grover's search, run in less than a minute on a Pentium 4 processor (2.6 GHz). The running time for a quantum computation depends crucially on the number of qubits employed.
NASA Astrophysics Data System (ADS)
Heusler, Stefan
2006-12-01
The main focus of the second, enlarged edition of the book Mathematica for Theoretical Physics is on computational examples using the computer program Mathematica in various areas in physics. It is a notebook rather than a textbook. Indeed, the book is just a printout of the Mathematica notebooks included on the CD. The second edition is divided into two volumes, the first covering classical mechanics and nonlinear dynamics, the second dealing with examples in electrodynamics, quantum mechanics, general relativity and fractal geometry. The second volume is not suited for newcomers because basic and simple physical ideas which lead to complex formulas are not explained in detail. Instead, the computer technology makes it possible to write down and manipulate formulas of practically any length. For researchers with experience in computing, the book contains a lot of interesting and non-trivial examples. Most of the examples discussed are standard textbook problems, but the power of Mathematica opens the path to more sophisticated solutions. For example, the exact solution for the perihelion shift of Mercury within general relativity is worked out in detail using elliptic functions. The virial equation of state for molecules' interaction with Lennard-Jones-like potentials is discussed, including both classical and quantum corrections to the second virial coefficient. Interestingly, closed solutions become available using sophisticated computing methods within Mathematica. In my opinion, the textbook should not show formulas in detail which cover three or more pages—these technical data should just be contained on the CD. Instead, the textbook should focus on more detailed explanation of the physical concepts behind the technicalities. The discussion of the virial equation would benefit much from replacing 15 pages of Mathematica output with 15 pages of further explanation and motivation. In this combination, the power of computing merged with physical intuition would be of benefit even for newcomers. In summary, this book shows in a convincing manner how classical problems in physics can be attacked with modern computing technology. The second volume is interesting for experienced users of Mathematica. For students, the textbook can be very useful in combination with a seminar.
QDENSITY—A Mathematica Quantum Computer simulation
NASA Astrophysics Data System (ADS)
Juliá-Díaz, Bruno; Burdis, Joseph M.; Tabakin, Frank
2006-06-01
This Mathematica 5.2 package is a simulation of a Quantum Computer. The program provides a modular, instructive approach for generating the basic elements that make up a quantum circuit. The main emphasis is on using the density matrix, although an approach using state vectors is also implemented in the package. The package commands are defined in Qdensity.m which contains the tools needed in quantum circuits, e.g., multiqubit kets, projectors, gates, etc. Selected examples of the basic commands are presented here and a tutorial notebook, Tutorial.nb is provided with the package (available on our website) that serves as a full guide to the package. Finally, application is made to a variety of relevant cases, including Teleportation, Quantum Fourier transform, Grover's search and Shor's algorithm, in separate notebooks: QFT.nb, Teleportation.nb, Grover.nb and Shor.nb where each algorithm is explained in detail. Finally, two examples of the construction and manipulation of cluster states, which are part of "one way computing" ideas, are included as an additional tool in the notebook Cluster.nb. A Mathematica palette containing most commands in QDENSITY is also included: QDENSpalette.nb. Program summaryTitle of program: QDENSITY Catalogue identifier: ADXH_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADXH_v1_0 Program available from: CPC Program Library, Queen's University of Belfast, N. Ireland Operating systems: Any which supports Mathematica; tested under Microsoft Windows XP, Macintosh OS X, and Linux FC4 Programming language used: Mathematica 5.2 No. of bytes in distributed program, including test data, etc.: 180 581 No. of lines in distributed program, including test data, etc.: 19 382 Distribution format: tar.gz Method of solution: A Mathematica package is provided which contains commands to create and analyze quantum circuits. Several Mathematica notebooks containing relevant examples: Teleportation, Shor's Algorithm and Grover's search are explained in detail. A tutorial, Tutorial.nb is also enclosed. QDENSITY is available at http://www.pitt.edu/~tabakin/QDENSITY.
NASA Technical Reports Server (NTRS)
Watson, A. B.; Solomon, J. A.
1997-01-01
Psychophysica is a set of software tools for psychophysical research. Functions are provided for calibrated visual displays, for fitting and plotting of psychometric functions, and for the QUEST adaptive staircase procedure. The functions are written in the Mathematica programming language.
Sequences, Series, and Mathematica.
ERIC Educational Resources Information Center
Mathews, John H.
1992-01-01
Describes how the computer algebra system Mathematica can be used to enhance the teaching of the topics of sequences and series. Examines its capabilities to find exact, approximate, and graphically generated approximate solutions to problems from these topics and to understand proofs about sequences. (MDH)
NASA Astrophysics Data System (ADS)
Bytev, Vladimir V.; Kniehl, Bernd A.
2016-09-01
We present a further extension of the HYPERDIRE project, which is devoted to the creation of a set of Mathematica-based program packages for manipulations with Horn-type hypergeometric functions on the basis of differential equations. Specifically, we present the implementation of the differential reduction for the Lauricella function FC of three variables. Catalogue identifier: AEPP_v4_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEPP_v4_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: GNU General Public License, version 3 No. of lines in distributed program, including test data, etc.: 243461 No. of bytes in distributed program, including test data, etc.: 61610782 Distribution format: tar.gz Programming language: Mathematica. Computer: All computers running Mathematica. Operating system: Operating systems running Mathematica. Classification: 4.4. Does the new version supersede the previous version?: No, it significantly extends the previous version. Nature of problem: Reduction of hypergeometric function FC of three variables to a set of basis functions. Solution method: Differential reduction. Reasons for new version: The extension package allows the user to handle the Lauricella function FC of three variables. Summary of revisions: The previous version goes unchanged. Running time: Depends on the complexity of the problem.
Creating Three-Dimensional Scenes
ERIC Educational Resources Information Center
Krumpe, Norm
2005-01-01
Persistence of Vision Raytracer (POV-Ray), a free computer program for creating photo-realistic, three-dimensional scenes and a link for Mathematica users interested in generating POV-Ray files from within Mathematica, is discussed. POV-Ray has great potential in secondary mathematics classrooms and helps in strengthening students' visualization…
Lambda: A Mathematica package for operator product expansions in vertex algebras
NASA Astrophysics Data System (ADS)
Ekstrand, Joel
2011-02-01
We give an introduction to the Mathematica package Lambda, designed for calculating λ-brackets in both vertex algebras, and in SUSY vertex algebras. This is equivalent to calculating operator product expansions in two-dimensional conformal field theory. The syntax of λ-brackets is reviewed, and some simple examples are shown, both in component notation, and in N=1 superfield notation. Program summaryProgram title: Lambda Catalogue identifier: AEHF_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEHF_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: GNU General Public License No. of lines in distributed program, including test data, etc.: 18 087 No. of bytes in distributed program, including test data, etc.: 131 812 Distribution format: tar.gz Programming language: Mathematica Computer: See specifications for running Mathematica V7 or above. Operating system: See specifications for running Mathematica V7 or above. RAM: Varies greatly depending on calculation to be performed. Classification: 4.2, 5, 11.1. Nature of problem: Calculate operator product expansions (OPEs) of composite fields in 2d conformal field theory. Solution method: Implementation of the algebraic formulation of OPEs given by vertex algebras, and especially by λ-brackets. Running time: Varies greatly depending on calculation requested. The example notebook provided takes about 3 s to run.
Specialized Color Function for Display of Signed Data
NASA Technical Reports Server (NTRS)
Kalb, Virginia
2008-01-01
This Mathematica script defines a color function to be used with Mathematica's plotting modules for differentiating data attaining both positive and negative values. Positive values are shown as shades of blue, and negative values are shown in red. The intensity of the color reflects the absolute value of the data value.
Equilibrium-Staged Separations Using Matlab and Mathematica
ERIC Educational Resources Information Center
Binous, Housam
2008-01-01
We show a new approach, based on the utilization of Matlab and Mathematica, for solving liquid-liquid extraction and binary distillation problems. In addition, the author shares his experience using these two softwares to teach equilibrium staged separations at the National Institute of Applied Sciences and Technology. (Contains 7 figures.)
Exploring Fourier Series and Gibbs Phenomenon Using Mathematica
ERIC Educational Resources Information Center
Ghosh, Jonaki B.
2011-01-01
This article describes a laboratory module on Fourier series and Gibbs phenomenon which was undertaken by 32 Year 12 students. It shows how the use of CAS played the role of an "amplifier" by making higher level mathematical concepts accessible to students of year 12. Using Mathematica students were able to visualise Fourier series of…
Using Mathematica to Teach Process Units: A Distillation Case Study
ERIC Educational Resources Information Center
Rasteiro, Maria G.; Bernardo, Fernando P.; Saraiva, Pedro M.
2005-01-01
The question addressed here is how to integrate computational tools, namely interactive general-purpose platforms, in the teaching of process units. Mathematica has been selected as a complementary tool to teach distillation processes, with the main objective of leading students to achieve a better understanding of the physical phenomena involved…
ERIC Educational Resources Information Center
Ardiç, Mehmet Alper; Isleyen, Tevfik
2017-01-01
This study aimed at determining the secondary school mathematics teachers' and students' views on computer-assisted mathematics instruction (CAMI) conducted via Mathematica. Accordingly, three mathematics teachers in Adiyaman and nine 10th-grade students participated in the research. Firstly, the researchers trained the mathematics teachers in the…
Trends and determinants of cycling in the Washington, DC region.
DOT National Transportation Integrated Search
2011-01-01
This report analyzes cycling trends, policies, and commuting in the Washington, DC area. The analysis is divided into two parts. : Part 1 focuses on cycling trends and policies in Washington (DC), Alexandria (VA), Arlington County (VA), Fairfax Count...
Beam-plasma dielectric tensor with Mathematica
NASA Astrophysics Data System (ADS)
Bret, A.
2007-03-01
We present a Mathematica notebook allowing for the symbolic calculation of the 3×3 dielectric tensor of an electron-beam plasma system in the fluid approximation. Calculation is detailed for a cold relativistic electron beam entering a cold magnetized plasma, and for arbitrarily oriented wave vectors. We show how one can elaborate on this example to account for temperatures, arbitrarily oriented magnetic field or a different kind of plasma. Program summaryTitle of program: Tensor Catalog identifier: ADYT_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADYT_v1_0 Program obtainable from: CPC Program Library, Queen's University of Belfast, N. Ireland Computer for which the program is designed and others on which it has been tested: Computers: Any computer running Mathematica 4.1. Tested on DELL Dimension 5100 and IBM ThinkPad T42. Installations: ETSI Industriales, Universidad Castilla la Mancha, Ciudad Real, Spain Operating system under which the program has been tested: Windows XP Pro Programming language used: Mathematica 4.1 Memory required to execute with typical data: 7.17 Mbytes No. of bytes in distributed program, including test data, etc.: 33 439 No. of lines in distributed program, including test data, etc.: 3169 Distribution format: tar.gz Nature of the physical problem: The dielectric tensor of a relativistic beam plasma system may be quite involved to calculate symbolically when considering a magnetized plasma, kinetic pressure, collisions between species, and so on. The present Mathematica notebook performs the symbolic computation in terms of some usual dimensionless variables. Method of solution: The linearized relativistic fluid equations are directly entered and solved by Mathematica to express the first-order expression of the current. This expression is then introduced into a combination of Faraday and Ampère-Maxwell's equations to give the dielectric tensor. Some additional manipulations are needed to express the result in terms of the dimensionless variables. Restrictions on the complexity of the problem: Temperature effects are limited to small, i.e. non-relativistic, temperatures. The kinetic counterpart of the present Mathematica will usually not compute the required integrals. Typical running time: About 1 minute on a Intel Centrino 1.5 GHz Laptop with 512 MB of RAM. Unusual features of the program: None.
A Mathematica program for the calculation of five-body Moshinsky brackets
NASA Astrophysics Data System (ADS)
Xiao, Shuyuan; Mu, Xueli; Liu, Tingting; Chen, Hong
2016-06-01
Five-body Moshinsky brackets that relate harmonic oscillator wavefunctions in two different sets of Jacobi coordinates make it straightforward to calculate some matrix elements in the variational calculations of five-body systems. The analytical expression of these transformation coefficients and the computer code written in the Mathematica language are presented here for accurate calculations.
ERIC Educational Resources Information Center
Binous, Housam
2007-01-01
We study four non-Newtonian fluid mechanics problems using Mathematica[R]. Constitutive equations describing the behavior of power-law, Bingham and Carreau models are recalled. The velocity profile is obtained for the horizontal flow of power-law fluids in pipes and annuli. For the vertical laminar film flow of a Bingham fluid we determine the…
ERIC Educational Resources Information Center
Yaacob, Yuzita; Wester, Michael; Steinberg, Stanly
2010-01-01
This paper presents a prototype of a computer learning assistant ILMEV (Interactive Learning-Mathematica Enhanced Vector calculus) package with the purpose of helping students to understand the theory and applications of integration in vector calculus. The main problem for students using Mathematica is to convert a textbook description of a…
ERIC Educational Resources Information Center
Hutem, Artit; Kerdmee, Supoj
2013-01-01
The propose of this study is to study Physics Learning Achievement, projectile motion, using the Mathematica program of Faculty of Science and Technology Phetchabun Rajabhat University students, comparing with Faculty of Science and Technology Phetchabun Rajabhat University students who study the projectile motion experiment set. The samples are…
On One Unusual Method of Computation of Limits of Rational Functions in the Program Mathematica[R
ERIC Educational Resources Information Center
Hora, Jaroslav; Pech, Pavel
2005-01-01
Computing limits of functions is a traditional part of mathematical analysis which is very difficult for students. Now an algorithm for the elimination of quantifiers in the field of real numbers is implemented in the program Mathematica. This offers a non-traditional view on this classical theme. (Contains 1 table.)
Robust blood-glucose control using Mathematica.
Kovács, Levente; Paláncz, Béla; Benyó, Balázs; Török, László; Benyó, Zoltán
2006-01-01
A robust control design on frequency domain using Mathematica is presented for regularization of glucose level in type I diabetes persons under intensive care. The method originally proposed under Mathematica by Helton and Merino, --now with an improved disturbance rejection constraint inequality--is employed, using a three-state minimal patient model. The robustness of the resulted high-order linear controller is demonstrated by nonlinear closed loop simulation in state-space, in case of standard meal disturbances and is compared with H infinity design implemented with the mu-toolbox of Matlab. The controller designed with model parameters represented the most favorable plant dynamics from the point of view of control purposes, can operate properly even in case of parameter values of the worst-case scenario.
Generating and using truly random quantum states in Mathematica
NASA Astrophysics Data System (ADS)
Miszczak, Jarosław Adam
2012-01-01
The problem of generating random quantum states is of a great interest from the quantum information theory point of view. In this paper we present a package for Mathematica computing system harnessing a specific piece of hardware, namely Quantis quantum random number generator (QRNG), for investigating statistical properties of quantum states. The described package implements a number of functions for generating random states, which use Quantis QRNG as a source of randomness. It also provides procedures which can be used in simulations not related directly to quantum information processing. Program summaryProgram title: TRQS Catalogue identifier: AEKA_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEKA_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 7924 No. of bytes in distributed program, including test data, etc.: 88 651 Distribution format: tar.gz Programming language: Mathematica, C Computer: Requires a Quantis quantum random number generator (QRNG, http://www.idquantique.com/true-random-number-generator/products-overview.html) and supporting a recent version of Mathematica Operating system: Any platform supporting Mathematica; tested with GNU/Linux (32 and 64 bit) RAM: Case dependent Classification: 4.15 Nature of problem: Generation of random density matrices. Solution method: Use of a physical quantum random number generator. Running time: Generating 100 random numbers takes about 1 second, generating 1000 random density matrices takes more than a minute.
Development of CCSDS DCT to Support Spacecraft Dynamic Events
NASA Technical Reports Server (NTRS)
Sidhwa, Anahita F
2011-01-01
This report discusses the development of Consultative Committee for Space Data Systems (CCSDS) Design Control Table (DCT) to support spacecraft dynamic events. The Consultative Committee for Space Data Systems (CCSDS) Design Control Table (DCT) is a versatile link calculation tool to analyze different kinds of radio frequency links. It started out as an Excel-based program, and is now being evolved into a Mathematica-based link analysis tool. The Mathematica platform offers a rich set of advanced analysis capabilities, and can be easily extended to a web-based architecture. Last year the CCSDS DCT's for the uplink, downlink, two-way, and ranging models were developed as well as the corresponding input and output interfaces. Another significant accomplishment is the integration of the NAIF SPICE library into the Mathematica computation platform.
Insertion device calculations with mathematica
DOE Office of Scientific and Technical Information (OSTI.GOV)
Carr, R.; Lidia, S.
1995-02-01
The design of accelerator insertion devices such as wigglers and undulators has usually been aided by numerical modeling on digital computers, using code in high level languages like Fortran. In the present era, there are higher level programming environments like IDL{reg_sign}, MatLab{reg_sign}, and Mathematica{reg_sign} in which these calculations may be performed by writing much less code, and in which standard mathematical techniques are very easily used. The authors present a suite of standard insertion device modeling routines in Mathematica to illustrate the new techniques. These routines include a simple way to generate magnetic fields using blocks of CSEM materials, trajectorymore » solutions from the Lorentz force equations for given magnetic fields, Bessel function calculations of radiation for wigglers and undulators and general radiation calculations for undulators.« less
NASA Astrophysics Data System (ADS)
Haxton, Wick; Lunardini, Cecilia
2008-09-01
Semi-leptonic electroweak interactions in nuclei—such as β decay, μ capture, charged- and neutral-current neutrino reactions, and electron scattering—are described by a set of multipole operators carrying definite parity and angular momentum, obtained by projection from the underlying nuclear charge and three-current operators. If these nuclear operators are approximated by their one-body forms and expanded in the nucleon velocity through order |p→|/M, where p→ and M are the nucleon momentum and mass, a set of seven multipole operators is obtained. Nuclear structure calculations are often performed in a basis of Slater determinants formed from harmonic oscillator orbitals, a choice that allows translational invariance to be preserved. Harmonic-oscillator single-particle matrix elements of the multipole operators can be evaluated analytically and expressed in terms of finite polynomials in q, where q is the magnitude of the three-momentum transfer. While results for such matrix elements are available in tabular form, with certain restriction on quantum numbers, the task of determining the analytic form of a response function can still be quite tedious, requiring the folding of the tabulated matrix elements with the nuclear density matrix, and subsequent algebra to evaluate products of operators. Here we provide a Mathematica script for generating these matrix elements, which will allow users to carry out all such calculations by symbolic manipulation. This will eliminate the errors that may accompany hand calculations and speed the calculation of electroweak nuclear cross sections and rates. We illustrate the use of the new script by calculating the cross sections for charged- and neutral-current neutrino scattering in 12C. Program summaryProgram title: SevenOperators Catalogue identifier: AEAY_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEAY_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 2227 No. of bytes in distributed program, including test data, etc.: 19 382 Distribution format: tar.gz Programming language: Mathematica Computer: Any computer running Mathematica; tested on Mac OS X PowerPC (32-bit) running Mathematica 6.0.0 Operating system: Any running Mathematica RAM: Memory requirements determined by Mathematica; 512 MB or greater RAM and hard drive space of at least 3.0 GB recommended Classification: 17.16, 17.19 Nature of problem: Algebraic evaluation of harmonic oscillator nuclear matrix elements for the one-body multipole operators governing semi-leptonic weak interactions, such as charged- or neutral-current neutrino scattering off nuclei. Solution method: Mathematica evaluation of associated angular momentum algebra and spherical Bessel function radial integrals. Running time: Depends on the complexity of the one-body density matrix employed, but times of a few seconds are typical.
SLAM, a Mathematica interface for SUSY spectrum generators
NASA Astrophysics Data System (ADS)
Marquard, Peter; Zerf, Nikolai
2014-03-01
We present and publish a Mathematica package, which can be used to automatically obtain any numerical MSSM input parameter from SUSY spectrum generators, which follow the SLHA standard, like SPheno, SOFTSUSY, SuSeFLAV or Suspect. The package enables a very comfortable way of numerical evaluations within the MSSM using Mathematica. It implements easy to use predefined high scale and low scale scenarios like mSUGRA or mhmax and if needed enables the user to directly specify the input required by the spectrum generators. In addition it supports an automatic saving and loading of SUSY spectra to and from a SQL data base, avoiding the rerun of a spectrum generator for a known spectrum. Catalogue identifier: AERX_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AERX_v1_0.html Program obtainable from: CPC Program Library, Queen’s University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 4387 No. of bytes in distributed program, including test data, etc.: 37748 Distribution format: tar.gz Programming language: Mathematica. Computer: Any computer where Mathematica version 6 or higher is running providing bash and sed. Operating system: Linux. Classification: 11.1. External routines: A SUSY spectrum generator such as SPheno, SOFTSUSY, SuSeFLAV or SUSPECT Nature of problem: Interfacing published spectrum generators for automated creation, saving and loading of SUSY particle spectra. Solution method: SLAM automatically writes/reads SLHA spectrum generator input/output and is able to save/load generated data in/from a data base. Restrictions: No general restrictions, specific restrictions are given in the manuscript. Running time: A single spectrum calculation takes much less than one second on a modern PC.
Improved Load Alleviation Capability for the KC-135
1997-09-01
software, such as Matlab, Mathematica, Simulink, and Robotica Front End for Mathematica available in the simulation laboratory Overview This thesis report is...outlined in Spong’s text in order to utilize the Robotica system development software which automates the process of calculating the kinematic and...kinematic and dynamic equations can be accomplished using a computer tool called Robotica Front End (RFE) [ 15], developed by Doctor Spong. Boom Root d3
Washington, D.C. | Midmarket Solar Policies in the United States | Solar
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Kranc: a Mathematica package to generate numerical codes for tensorial evolution equations
NASA Astrophysics Data System (ADS)
Husa, Sascha; Hinder, Ian; Lechner, Christiane
2006-06-01
We present a suite of Mathematica-based computer-algebra packages, termed "Kranc", which comprise a toolbox to convert certain (tensorial) systems of partial differential evolution equations to parallelized C or Fortran code for solving initial boundary value problems. Kranc can be used as a "rapid prototyping" system for physicists or mathematicians handling very complicated systems of partial differential equations, but through integration into the Cactus computational toolkit we can also produce efficient parallelized production codes. Our work is motivated by the field of numerical relativity, where Kranc is used as a research tool by the authors. In this paper we describe the design and implementation of both the Mathematica packages and the resulting code, we discuss some example applications, and provide results on the performance of an example numerical code for the Einstein equations. Program summaryTitle of program: Kranc Catalogue identifier: ADXS_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADXS_v1_0 Program obtainable from: CPC Program Library, Queen's University of Belfast, N. Ireland Distribution format: tar.gz Computer for which the program is designed and others on which it has been tested: General computers which run Mathematica (for code generation) and Cactus (for numerical simulations), tested under Linux Programming language used: Mathematica, C, Fortran 90 Memory required to execute with typical data: This depends on the number of variables and gridsize, the included ADM example requires 4308 KB Has the code been vectorized or parallelized: The code is parallelized based on the Cactus framework. Number of bytes in distributed program, including test data, etc.: 1 578 142 Number of lines in distributed program, including test data, etc.: 11 711 Nature of physical problem: Solution of partial differential equations in three space dimensions, which are formulated as an initial value problem. In particular, the program is geared towards handling very complex tensorial equations as they appear, e.g., in numerical relativity. The worked out examples comprise the Klein-Gordon equations, the Maxwell equations, and the ADM formulation of the Einstein equations. Method of solution: The method of numerical solution is finite differencing and method of lines time integration, the numerical code is generated through a high level Mathematica interface. Restrictions on the complexity of the program: Typical numerical relativity applications will contain up to several dozen evolution variables and thousands of source terms, Cactus applications have shown scaling up to several thousand processors and grid sizes exceeding 500 3. Typical running time: This depends on the number of variables and the grid size: the included ADM example takes approximately 100 seconds on a 1600 MHz Intel Pentium M processor. Unusual features of the program: based on Mathematica and Cactus
CrasyDSE: A framework for solving Dyson–Schwinger equations☆
Huber, Markus Q.; Mitter, Mario
2012-01-01
Dyson–Schwinger equations are important tools for non-perturbative analyses of quantum field theories. For example, they are very useful for investigations in quantum chromodynamics and related theories. However, sometimes progress is impeded by the complexity of the equations. Thus automating parts of the calculations will certainly be helpful in future investigations. In this article we present a framework for such an automation based on a C++ code that can deal with a large number of Green functions. Since also the creation of the expressions for the integrals of the Dyson–Schwinger equations needs to be automated, we defer this task to a Mathematica notebook. We illustrate the complete workflow with an example from Yang–Mills theory coupled to a fundamental scalar field that has been investigated recently. As a second example we calculate the propagators of pure Yang–Mills theory. Our code can serve as a basis for many further investigations where the equations are too complicated to tackle by hand. It also can easily be combined with DoFun, a program for the derivation of Dyson–Schwinger equations.1 Program summary Program title: CrasyDSE Catalogue identifier: AEMY _v1_0 Program summary URL: http://cpc.cs.qub.ac.uk/summaries/AEMY_v1_0.html Program obtainable from: CPC Program Library, Queen’s University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 49030 No. of bytes in distributed program, including test data, etc.: 303958 Distribution format: tar.gz Programming language: Mathematica 8 and higher, C++. Computer: All on which Mathematica and C++ are available. Operating system: All on which Mathematica and C++ are available (Windows, Unix, Mac OS). Classification: 11.1, 11.4, 11.5, 11.6. Nature of problem: Solve (large) systems of Dyson–Schwinger equations numerically. Solution method: Create C++ functions in Mathematica to be used for the numeric code in C++. This code uses structures to handle large numbers of Green functions. Unusual features: Provides a tool to convert Mathematica expressions into C++ expressions including conversion of function names. Running time: Depending on the complexity of the investigated system solving the equations numerically can take seconds on a desktop PC to hours on a cluster. PMID:25540463
CrasyDSE: A framework for solving Dyson-Schwinger equations.
Huber, Markus Q; Mitter, Mario
2012-11-01
Dyson-Schwinger equations are important tools for non-perturbative analyses of quantum field theories. For example, they are very useful for investigations in quantum chromodynamics and related theories. However, sometimes progress is impeded by the complexity of the equations. Thus automating parts of the calculations will certainly be helpful in future investigations. In this article we present a framework for such an automation based on a C++ code that can deal with a large number of Green functions. Since also the creation of the expressions for the integrals of the Dyson-Schwinger equations needs to be automated, we defer this task to a Mathematica notebook. We illustrate the complete workflow with an example from Yang-Mills theory coupled to a fundamental scalar field that has been investigated recently. As a second example we calculate the propagators of pure Yang-Mills theory. Our code can serve as a basis for many further investigations where the equations are too complicated to tackle by hand. It also can easily be combined with DoFun , a program for the derivation of Dyson-Schwinger equations. Program title : CrasyDSE Catalogue identifier : AEMY _v1_0 Program summary URL : http://cpc.cs.qub.ac.uk/summaries/AEMY_v1_0.html Program obtainable from : CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions : Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc. : 49030 No. of bytes in distributed program, including test data, etc. : 303958 Distribution format : tar.gz Programming language : Mathematica 8 and higher, C++ . Computer : All on which Mathematica and C++ are available. Operating system : All on which Mathematica and C++ are available (Windows, Unix, Mac OS). Classification : 11.1, 11.4, 11.5, 11.6. Nature of problem : Solve (large) systems of Dyson-Schwinger equations numerically. Solution method : Create C++ functions in Mathematica to be used for the numeric code in C++ . This code uses structures to handle large numbers of Green functions. Unusual features : Provides a tool to convert Mathematica expressions into C++ expressions including conversion of function names. Running time : Depending on the complexity of the investigated system solving the equations numerically can take seconds on a desktop PC to hours on a cluster.
CrasyDSE: A framework for solving Dyson-Schwinger equations
NASA Astrophysics Data System (ADS)
Huber, Markus Q.; Mitter, Mario
2012-11-01
Dyson-Schwinger equations are important tools for non-perturbative analyses of quantum field theories. For example, they are very useful for investigations in quantum chromodynamics and related theories. However, sometimes progress is impeded by the complexity of the equations. Thus automating parts of the calculations will certainly be helpful in future investigations. In this article we present a framework for such an automation based on a C++ code that can deal with a large number of Green functions. Since also the creation of the expressions for the integrals of the Dyson-Schwinger equations needs to be automated, we defer this task to a Mathematica notebook. We illustrate the complete workflow with an example from Yang-Mills theory coupled to a fundamental scalar field that has been investigated recently. As a second example we calculate the propagators of pure Yang-Mills theory. Our code can serve as a basis for many further investigations where the equations are too complicated to tackle by hand. It also can easily be combined with DoFun, a program for the derivation of Dyson-Schwinger equations.
MULTIVARIATERESIDUES : A Mathematica package for computing multivariate residues
NASA Astrophysics Data System (ADS)
Larsen, Kasper J.; Rietkerk, Robbert
2018-01-01
Multivariate residues appear in many different contexts in theoretical physics and algebraic geometry. In theoretical physics, they for example give the proper definition of generalized-unitarity cuts, and they play a central role in the Grassmannian formulation of the S-matrix by Arkani-Hamed et al. In realistic cases their evaluation can be non-trivial. In this paper we provide a Mathematica package for efficient evaluation of multivariate residues based on methods from computational algebraic geometry.
Automated symbolic calculations in nonequilibrium thermodynamics
NASA Astrophysics Data System (ADS)
Kröger, Martin; Hütter, Markus
2010-12-01
We cast the Jacobi identity for continuous fields into a local form which eliminates the need to perform any partial integration to the expense of performing variational derivatives. This allows us to test the Jacobi identity definitely and efficiently and to provide equations between different components defining a potential Poisson bracket. We provide a simple Mathematica TM notebook which allows to perform this task conveniently, and which offers some additional functionalities of use within the framework of nonequilibrium thermodynamics: reversible equations of change for fields, and the conservation of entropy during the reversible dynamics. Program summaryProgram title: Poissonbracket.nb Catalogue identifier: AEGW_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEGW_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 227 952 No. of bytes in distributed program, including test data, etc.: 268 918 Distribution format: tar.gz Programming language: Mathematica TM 7.0 Computer: Any computer running Mathematica TM 6.0 and later versions Operating system: Linux, MacOS, Windows RAM: 100 Mb Classification: 4.2, 5, 23 Nature of problem: Testing the Jacobi identity can be a very complex task depending on the structure of the Poisson bracket. The Mathematica TM notebook provided here solves this problem using a novel symbolic approach based on inherent properties of the variational derivative, highly suitable for the present tasks. As a by product, calculations performed with the Poisson bracket assume a compact form. Solution method: The problem is first cast into a form which eliminates the need to perform partial integration for arbitrary functionals at the expense of performing variational derivatives. The corresponding equations are conveniently obtained using the symbolic programming environment Mathematica TM. Running time: For the test cases and most typical cases in the literature, the running time is of the order of seconds or minutes, respectively.
MESAFace, a graphical interface to analyze the MESA output
NASA Astrophysics Data System (ADS)
Giannotti, M.; Wise, M.; Mohammed, A.
2013-04-01
MESA (Modules for Experiments in Stellar Astrophysics) has become very popular among astrophysicists as a powerful and reliable code to simulate stellar evolution. Analyzing the output data thoroughly may, however, present some challenges and be rather time-consuming. Here we describe MESAFace, a graphical and dynamical interface which provides an intuitive, efficient and quick way to analyze the MESA output. Catalogue identifier: AEOQ_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEOQ_v1_0.html Program obtainable from: CPC Program Library, Queen’s University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 19165 No. of bytes in distributed program, including test data, etc.: 6300592 Distribution format: tar.gz Programming language: Mathematica. Computer: Any computer capable of running Mathematica. Operating system: Any capable of running Mathematica. Tested on Linux, Mac, Windows XP, Windows 7. RAM: Recommended 2 Gigabytes or more. Supplementary material: Additional test data files are available. Classification: 1.7, 14. Nature of problem: Find a way to quickly and thoroughly analyze the output of a MESA run, including all the profiles, and have an efficient method to produce graphical representations of the data. Solution method: We created two scripts (to be run consecutively). The first one downloads all the data from a MESA run and organizes the profiles in order of age. All the files are saved as tables or arrays of tables which can then be accessed very quickly by Mathematica. The second script uses the Manipulate function to create a graphical interface which allows the user to choose what to plot from a set of menus and buttons. The information shown is updated in real time. The user can access very quickly all the data from the run under examination and visualize it with plots and tables. Unusual features: Moving the slides in certain regions may cause an error message. This happens when Mathematica is asked to read nonexistent data. The error message, however, disappears when the slides are moved back. This issue does not preclude the good functioning of the interface. Additional comments: The program uses the dynamical capabilities of Mathematica. When the program is opened, Mathematica prompts the user to “Enable Dynamics”. It is necessary to accept before proceeding. Running time: Depends on the size of the data downloaded, on where the data are stored (hard-drive or web), and on the speed of the computer or network connection. In general, downloading the data may take from a minute to several minutes. Loading directly from the web is slower. For example, downloading a 200 MB data folder (a total of 102 files) with a dual-core Intel laptop, P8700, 2 GB of RAM, at 2.53 GHz took about a minute from the hard-drive and about 23 min from the web (with a basic home wireless connection).
FAPT: A Mathematica package for calculations in QCD Fractional Analytic Perturbation Theory
NASA Astrophysics Data System (ADS)
Bakulev, Alexander P.; Khandramai, Vyacheslav L.
2013-01-01
We provide here all the procedures in Mathematica which are needed for the computation of the analytic images of the strong coupling constant powers in Minkowski (A(s;nf) and Aνglob(s)) and Euclidean (A(Q2;nf) and Aνglob(Q2)) domains at arbitrary energy scales (s and Q2, correspondingly) for both schemes — with fixed number of active flavours nf=3,4,5,6 and the global one with taking into account all heavy-quark thresholds. These singularity-free couplings are inevitable elements of Analytic Perturbation Theory (APT) in QCD, proposed in [10,69,70], and its generalization — Fractional APT, suggested in [42,46,43], needed to apply the APT imperative for renormalization-group improved hadronic observables. Program summaryProgram title: FAPT Catalogue identifier: AENJ_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AENJ_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 1985 No. of bytes in distributed program, including test data, etc.: 1895776 Distribution format: tar.gz Programming language: Mathematica. Computer: Any work-station or PC where Mathematica is running. Operating system: Windows XP, Mathematica (versions 5 and 7). Classification: 11.5. Nature of problem: The values of analytic images A(Q2) and A(s) of the QCD running coupling powers αsν(Q2) in Euclidean and Minkowski regions, correspondingly, are determined through the spectral representation in the QCD Analytic Perturbation Theory (APT). In the program FAPT we collect all relevant formulas and various procedures which allow for a convenient evaluation of A(Q2) and A(s) using numerical integrations of the relevant spectral densities. Solution method: FAPT uses Mathematica functions to calculate different spectral densities and then performs numerical integration of these spectral integrals to obtain analytic images of different objects. Restrictions: It could be that for an unphysical choice of the input parameters the results are without any meaning. Running time: For all operations the run time does not exceed a few seconds. Usually numerical integration is not fast, so that we advise the use of arrays of precalculated data and then to apply the routine Interpolate(as shown in supplied example of the program usage, namely in the notebook FAPT_Interp.nb).
Proceedings of the Fourth Annual U.S. Army Conference on Applied Statistics, 21-23 October 1998.
1999-11-01
1833) published a memoir Nouvelles mithodes pour la determination des cometes in which he introduced and named the method of least squares. In 1809...251,1972. 2. Sprott, D. A. "Gauss’s Contributions to Statistics." Historia Mathematica, vol. 5, pp. 183-203,1978. 3. Stigler, S. M. "An Attack on Gauss...Published by Legendre in 1820." Historia Mathematica. vol. 4, pp. 31-35, 1977. 4. Stigler, S. M. "Gauss and the Invention of Least Squares." The
NASA Astrophysics Data System (ADS)
Favata, Antonino; Micheletti, Andrea; Ryu, Seunghwa; Pugno, Nicola M.
2016-10-01
An analytical benchmark and a simple consistent Mathematica program are proposed for graphene and carbon nanotubes, that may serve to test any molecular dynamics code implemented with REBO potentials. By exploiting the benchmark, we checked results produced by LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) when adopting the second generation Brenner potential, we made evident that this code in its current implementation produces results which are offset from those of the benchmark by a significant amount, and provide evidence of the reason.
NASA Astrophysics Data System (ADS)
Angeli, C.; Cimiraglia, R.
2013-02-01
A symbolic program performing the Formal Reduction of Density Operators (FRODO), formerly developed in the MuPAD computer algebra system with the purpose of evaluating the matrix elements of the electronic Hamiltonian between internally contracted functions in a complete active space (CAS) scheme, has been rewritten in Mathematica. New version : A program summaryProgram title: FRODO Catalogue identifier: ADV Y _v2_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADVY_v2_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 3878 No. of bytes in distributed program, including test data, etc.: 170729 Distribution format: tar.gz Programming language: Mathematica Computer: Any computer on which the Mathematica computer algebra system can be installed Operating system: Linux Classification: 5 Catalogue identifier of previous version: ADV Y _v1_0 Journal reference of previous version: Comput. Phys. Comm. 171(2005)63 Does the new version supersede the previous version?: No Nature of problem. In order to improve on the CAS-SCF wavefunction one can resort to multireference perturbation theory or configuration interaction based on internally contracted functions (ICFs) which are obtained by application of the excitation operators to the reference CAS-SCF wavefunction. The previous formulation of such matrix elements in the MuPAD computer algebra system, has been rewritten using Mathematica. Solution method: The method adopted consists in successively eliminating all occurrences of inactive orbital indices (core and virtual) from the products of excitation operators which appear in the definition of the ICFs and in the electronic Hamiltonian expressed in the second quantization formalism. Reasons for new version: Some years ago we published in this journal a couple of papers [1, 2] hereafter to be referred to as papers I and II, respectively dedicated to the automated evaluation of the matrix elements of the molecular electronic Hamiltonian between internally contracted functions [3] (ICFs). In paper II the program FRODO (after Formal Reduction Of Density Operators) was presented with the purpose of providing working formulas for each occurrence of the ICFs. The original FRODO program was written in the MuPAD computer algebra system [4] and was actively used in our group for the generation of the matrix elements to be employed in the third-order n-electron valence state perturbation theory (NEVPT) [5-8] as well as in the internally contracted configuration interaction (IC-CI) [9]. We present a new version of the program FRODO written in the Mathematica system [10]. The reason for the rewriting of the program lies in the fact that, on the one hand, MuPAD does not seem to be any longer available as a stand-alone system and, on the other hand, Mathematica, due to its ubiquitousness, appears to be increasingly the computer algebra system most widely used nowadays. Restrictions: The program is limited to no more than doubly excited ICFs. Running time: The examples described in the Readme file take a few seconds to run. References: [1] C. Angeli, R. Cimiraglia, Comp. Phys. Comm. 166 (2005) 53. [2] C. Angeli, R. Cimiraglia, Comp. Phys. Comm. 171 (2005) 63. [3] H.-J. Werner, P. J. Knowles, Adv. Chem. Phys. 89 (1988) 5803. [4] B. Fuchssteiner, W. Oevel: http://www.mupad.de Mupad research group, university of Paderborn. Mupad version 2.5.3 for Linux. [5] C. Angeli, R. Cimiraglia, S. Evangelisti, T. Leininger, J.-P. Malrieu, J. Chem. Phys. 114 (2001) 10252. [6] C. Angeli, R. Cimiraglia, J.-P. Malrieu, J. Chem. Phys. 117 (2002) 9138. [7] C. Angeli, B. Bories, A. Cavallini, R. Cimiraglia, J. Chem. Phys. 124 (2006) 054108. [8] C. Angeli, M. Pastore, R. Cimiraglia, Theor. Chem. Acc. 117 (2007) 743. [9] C. Angeli, R. Cimiraglia, Mol. Phys. in press, DOI:10.1080/00268976.2012.689872 [10] http://www.wolfram.com/Mathematica. Mathematica version 8 for Linux.
An Introduction to Quantum Theory
NASA Astrophysics Data System (ADS)
Greensite, Jeff
2017-02-01
Written in a lucid and engaging style, the author takes readers from an overview of classical mechanics and the historical development of quantum theory through to advanced topics. The mathematical aspects of quantum theory necessary for a firm grasp of the subject are developed in the early chapters, but an effort is made to motivate that formalism on physical grounds. Including animated figures and their respective Mathematica® codes, this book provides a complete and comprehensive text for students in physics, maths, chemistry and engineering needing an accessible introduction to quantum mechanics. Supplementary Mathematica codes available within Book Information
Regenerable biocide delivery unit, volume 2
NASA Technical Reports Server (NTRS)
Atwater, James E.; Wheeler, Richard R., Jr.
1992-01-01
Source code for programs dealing with the following topics are presented: (1) life cycle test stand-parametric test stand control (in BASIC); (2) simultaneous aqueous iodine equilibria-true equilibrium (in C); (3) simultaneous aqueous iodine equilibria-pseudo-equilibrium (in C); (4) pseudo-(fast)-equilibrium with iodide initially present (in C); (5) solution of simultaneous iodine rate expressions (Mathematica); (6) 2nd order kinetics of I2-formic acid in humidity condensate (Mathematica); (7) prototype RMCV onboard microcontroller (CAMBASIC); (8) prototype RAM data dump to PC (in BASIC); and (9) prototype real time data transfer to PC (in BASIC).
Research and Construction of DC Energy Measurement Traceability Technology
NASA Astrophysics Data System (ADS)
Zhi, Wang; Maotao, Yang; Jing, Yang
2018-02-01
With the implementation of energy saving and emission reduction policies, DC energy metering has been widely used in many fields. In view of the lack of a DC energy measurementtraceability system, in combination with the process of downward measurement transfer in relation to the DC charger-based field calibration technology and DC energy meter and shunt calibration technologies, the paper proposed DC fast charging, high DC, small DC voltage output and measuring technologies, and built a time-based plan by converting high DC voltage into low voltage and high current into low current and then into low voltage, leaving DC energy traceable to national standards in terms of voltage, current and time and thus filling in the gap in DC energy measurement traceability.
Science Policy: A World of Opportunities
NASA Astrophysics Data System (ADS)
Mazza, Anne-Marie
2017-01-01
Opportunities are everywhere for scientists to engage in public policy, whether they stay at the bench or decide to move directly into the policy arena. In its 19th year, the National Academies of Sciences, Engineering, and Medicine's Christine Mirzayan Science and Technology Policy Graduate Fellowship Program provides early career individuals with the opportunity to spend 12 weeks at the Academies in Washington, DC learning about science and technology policy and the role that scientists and engineers play in advising the nation. Fellows leave the program prepared to engage in policy whether in DC, at the international level, or at the state and local level back at their home institutions. This discussion will explore these opportunities and highlight some of the positions pursued by Mirzayan alumni.
NASA Astrophysics Data System (ADS)
Baskonus, Haci Mehmet; Sulaiman, Tukur Abdulkadir; Bulut, Hasan
2017-10-01
In this paper, with the help of Wolfram Mathematica 9 we employ the powerful sine-Gordon expansion method in investigating the solution structures of the two well known nonlinear evolution equations, namely; Calogero-Bogoyavlenskii-Schiff and Kadomtsev-Petviashvili hierarchy equations. We obtain new solutions with complex, hyperbolic and trigonometric function structures. All the obtained solutions in this paper verified their corresponding equations. We also plot the three- and two-dimensional graphics of all the obtained solutions in this paper by using the same program in Wolfram Mathematica 9. We finally submit a comprehensive conclusion.
Symbolic computation of the Hartree-Fock energy from a chiral EFT three-nucleon interaction at N 2LO
NASA Astrophysics Data System (ADS)
Gebremariam, B.; Bogner, S. K.; Duguet, T.
2010-06-01
We present the first of a two-part Mathematica notebook collection that implements a symbolic approach for the application of the density matrix expansion (DME) to the Hartree-Fock (HF) energy from a chiral effective field theory (EFT) three-nucleon interaction at N 2LO. The final output from the notebooks is a Skyrme-like energy density functional that provides a quasi-local approximation to the non-local HF energy. In this paper, we discuss the derivation of the HF energy and its simplification in terms of the scalar/vector-isoscalar/isovector parts of the one-body density matrix. Furthermore, a set of steps is described and illustrated on how to extend the approach to other three-nucleon interactions. Program summaryProgram title: SymbHFNNN Catalogue identifier: AEGC_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEGC_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 96 666 No. of bytes in distributed program, including test data, etc.: 378 083 Distribution format: tar.gz Programming language: Mathematica 7.1 Computer: Any computer running Mathematica 6.0 and later versions Operating system: Windows Xp, Linux/Unix RAM: 256 Mb Classification: 5, 17.16, 17.22 Nature of problem: The calculation of the HF energy from the chiral EFT three-nucleon interaction at N 2LO involves tremendous spin-isospin algebra. The problem is compounded by the need to eventually obtain a quasi-local approximation to the HF energy, which requires the HF energy to be expressed in terms of scalar/vector-isoscalar/isovector parts of the one-body density matrix. The Mathematica notebooks discussed in this paper solve the latter issue. Solution method: The HF energy from the chiral EFT three-nucleon interaction at N 2LO is cast into a form suitable for an automatic simplification of the spin-isospin traces. Several Mathematica functions and symbolic manipulation techniques are used to obtain the result in terms of the scalar/vector-isoscalar/isovector parts of the one-body density matrix. Running time: Several hours
Third Grade Proficiency in DC: Little Progress (2007-2011). Policy Brief
ERIC Educational Resources Information Center
O'Keefe, Bonnie
2012-01-01
Analysis of DC Comprehensive Assessment System (DC CAS) scores from 2007 to 2011 found no evidence of statistically significant changes in third grade math or reading proficiency at the citywide level, among traditional public schools or public charter schools, among racial and ethnic groups or by economic advantage or disadvantage.…
The Cost Growth Problem: A Realistic Diagnosis and Solution.
1983-06-01
access 30 0~ LJ 0 CD 0 ( 4c CD - V2 0 C.2 ~~CD.------ 0.0 4-J V) 0 0.0 C.,I Cdc = CC, 0 0D C2 =I . 31 haua La OC I- c C _g .- C2 n C2 __. 6.34 LIA ca D...Department Navy Military Personnel Command Washington, D.C. 20370 6. Director for HRM Plans and Policy (OP-IS0) 1 Human Resource Management Division...Washington, D.C. 20301 25. Dana French, CAPT, USN HD HRM Plans & Policy Branch Washington, D.C. 20301 26. Robert Aaron 820 Lamberton Drive Silver
Ogusky, Jeremy; Tenner, Adam
2010-05-01
Advocates believed that to slow an expanding HIV/ AIDS epidemic in Washington, D.C., a local effort could ensure that HIV prevention was brought to scale. Schools were chosen as the focus and a new coalition advocated for the city government to pass new academic standards for health education. HIV and sex education policies had not been revised in more than 12 years and HIV education in D.C. public schools varied greatly in quality. Metro TeenAIDS (MTA), a traditional social service organization with no real history of advocacy work, reached only 10% of D.C. adolescents with critical HIV/AIDS prevention information. Clearly, to make a sustained impact, system change was necessary. After deciding to pursue a campaign focused on updating health education policy and creating standards, MTA convened a variety of reproductive health, adolescent medicine, and other organizations to establish the DC Healthy Youth Coalition. The Coalition used three complementary strategies to achieve campaign goals: mobilizing grassroots community support, involving parents in the discussion, and educating city leaders. By building an alliance of social service organizations and influencing critical public policy, the coalition ensured that new educational standards were passed.
Duggan, Mark; Rosenheck, Robert; Singleton, Perry
2010-01-01
The U.S. Department of Veterans Affairs compensates 13 percent of the nation’s military veterans for service‐related disabilities through the Disability Compensation (DC) program. In 2001, a legislative change made it easier for Vietnam veterans to receive benefits for diabetes associated with military service. In this paper, we investigate this policy’s effect on DC enrollment and expenditures as well as the behavioral response of potential beneficiaries. Our findings demonstrate that the policy increased DC enrollment by 6 percentage points among Vietnam veterans and that an additional 1.7 percent experienced an increase in their DC benefits, which increased annual program expenditures by $2.85 billion in 2007. Using individual-level data from the Veterans Supplement to the Current Population Survey, we find that the induced increase in DC enrollment had little average impact on the labor supply or health status of Vietnam veterans but did reduce labor supply among their spouses.
41 CFR 300-80.8 - What reports are required for a test program?
Code of Federal Regulations, 2010 CFR
2010-07-01
... Management (Attention MTT), Washington, DC 20405. The Administrator or designee may terminate the test... Governmentwide Policy, Office of Travel, Transportation and Asset Management (Attention MTT), Washington, DC...
NASA Astrophysics Data System (ADS)
Athron, Peter; Balazs, Csaba; Bringmann, Torsten; Buckley, Andy; Chrząszcz, Marcin; Conrad, Jan; Cornell, Jonathan M.; Dal, Lars A.; Dickinson, Hugh; Edsjö, Joakim; Farmer, Ben; Gonzalo, Tomás E.; Jackson, Paul; Krislock, Abram; Kvellestad, Anders; Lundberg, Johan; McKay, James; Mahmoudi, Farvah; Martinez, Gregory D.; Putze, Antje; Raklev, Are; Ripken, Joachim; Rogan, Christopher; Saavedra, Aldo; Savage, Christopher; Scott, Pat; Seo, Seon-Hee; Serra, Nicola; Weniger, Christoph; White, Martin; Wild, Sebastian
2018-02-01
In Ref. (GAMBIT Collaboration: Athron et. al., Eur. Phys. J. C. arXiv:1705.07908, 2017) we introduced the global-fitting framework GAMBIT. In this addendum, we describe a new minor version increment of this package. GAMBIT 1.1 includes full support for Mathematica backends, which we describe in some detail here. As an example, we backend SUSYHD (Vega and Villadoro, JHEP 07:159, 2015), which calculates the mass of the Higgs boson in the MSSM from effective field theory. We also describe updated likelihoods in PrecisionBit and DarkBit, and updated decay data included in DecayBit.
48 CFR 216.504 - Indefinite-quantity contracts.
Code of Federal Regulations, 2011 CFR
2011-10-01
... Deputy Director, Defense Procurement and Acquisition Policy (Contract Policy and International... Policy and International Contracting), OUSD (AT&L) DPAP (CPIC), 3060 Defense Pentagon, Washington, DC... contracts. 216.504 Section 216.504 Federal Acquisition Regulations System DEFENSE ACQUISITION REGULATIONS...
Package-X 2.0: A Mathematica package for the analytic calculation of one-loop integrals
NASA Astrophysics Data System (ADS)
Patel, Hiren H.
2017-09-01
This article summarizes new features and enhancements of the first major update of Package-X. Package-X 2.0 can now generate analytic expressions for arbitrarily high rank dimensionally regulated tensor integrals with up to four distinct propagators, each with arbitrary integer weight, near an arbitrary even number of spacetime dimensions, giving UV divergent, IR divergent, and finite parts at (almost) any real-valued kinematic point. Additionally, it can generate multivariable Taylor series expansions of these integrals around any non-singular kinematic point to arbitrary order. All special functions and abbreviations output by Package-X 2.0 support Mathematica's arbitrary precision evaluation capabilities to deal with issues of numerical stability. Finally, tensor algebraic routines of Package-X have been polished and extended to support open fermion chains both on and off shell. The documentation (equivalent to over 100 printed pages) is accessed through Mathematica's Wolfram Documentation Center and contains information on all Package-X symbols, with over 300 basic usage examples, 3 project-scale tutorials, and instructions on linking to FEYNCALC and LOOPTOOLS. Program files doi:http://dx.doi.org/10.17632/yfkwrd4d5t.1 Licensing provisions: CC by 4.0 Programming language: Mathematica (Wolfram Language) Journal reference of previous version: H. H. Patel, Comput. Phys. Commun 197, 276 (2015) Does the new version supersede the previous version?: Yes Summary of revisions: Extension to four point one-loop integrals with higher powers of denominator factors, separate extraction of UV and IR divergent parts, testing for power IR divergences, construction of Taylor series expansions of one-loop integrals, numerical evaluation with arbitrary precision arithmetic, manipulation of fermion chains, improved tensor algebraic routines, and much expanded documentation. Nature of problem: Analytic calculation of one-loop integrals in relativistic quantum field theory. Solution method: Passarino-Veltman reduction formula, Denner-Dittmaier reduction formulae, and additional algorithms described in the manuscript. Restrictions: One-loop integrals are limited to those involving no more than four denominator factors.
Construction of SO(5)⊃SO(3) spherical harmonics and Clebsch-Gordan coefficients
NASA Astrophysics Data System (ADS)
Caprio, M. A.; Rowe, D. J.; Welsh, T. A.
2009-07-01
The SO(5)⊃SO(3) spherical harmonics form a natural basis for expansion of nuclear collective model angular wave functions. They underlie the recently-proposed algebraic method for diagonalization of the nuclear collective model Hamiltonian in an SU(1,1)×SO(5) basis. We present a computer code for explicit construction of the SO(5)⊃SO(3) spherical harmonics and use them to compute the Clebsch-Gordan coefficients needed for collective model calculations in an SO(3)-coupled basis. With these Clebsch-Gordan coefficients it becomes possible to compute the matrix elements of collective model observables by purely algebraic methods. Program summaryProgram title: GammaHarmonic Catalogue identifier: AECY_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AECY_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 346 421 No. of bytes in distributed program, including test data, etc.: 16 037 234 Distribution format: tar.gz Programming language: Mathematica 6 Computer: Any which supports Mathematica Operating system: Any which supports Mathematica; tested under Microsoft Windows XP and Linux Classification: 4.2 Nature of problem: Explicit construction of SO(5) ⊃ SO(3) spherical harmonics on S. Evaluation of SO(3)-reduced matrix elements and SO(5) ⊃ SO(3) Clebsch-Gordan coefficients (isoscalar factors). Solution method: Construction of SO(5) ⊃ SO(3) spherical harmonics by orthonormalization, obtained from a generating set of functions, according to the method of Rowe, Turner, and Repka [1]. Matrix elements and Clebsch-Gordan coefficients follow by construction and integration of SO(3) scalar products. Running time: Depends strongly on the maximum SO(5) and SO(3) representation labels involved. A few minutes for the calculation in the Mathematica notebook. References: [1] D.J. Rowe, P.S. Turner, J. Repka, J. Math. Phys. 45 (2004) 2761.
Strongdeco: Expansion of analytical, strongly correlated quantum states into a many-body basis
NASA Astrophysics Data System (ADS)
Juliá-Díaz, Bruno; Graß, Tobias
2012-03-01
We provide a Mathematica code for decomposing strongly correlated quantum states described by a first-quantized, analytical wave function into many-body Fock states. Within them, the single-particle occupations refer to the subset of Fock-Darwin functions with no nodes. Such states, commonly appearing in two-dimensional systems subjected to gauge fields, were first discussed in the context of quantum Hall physics and are nowadays very relevant in the field of ultracold quantum gases. As important examples, we explicitly apply our decomposition scheme to the prominent Laughlin and Pfaffian states. This allows for easily calculating the overlap between arbitrary states with these highly correlated test states, and thus provides a useful tool to classify correlated quantum systems. Furthermore, we can directly read off the angular momentum distribution of a state from its decomposition. Finally we make use of our code to calculate the normalization factors for Laughlin's famous quasi-particle/quasi-hole excitations, from which we gain insight into the intriguing fractional behavior of these excitations. Program summaryProgram title: Strongdeco Catalogue identifier: AELA_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AELA_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 5475 No. of bytes in distributed program, including test data, etc.: 31 071 Distribution format: tar.gz Programming language: Mathematica Computer: Any computer on which Mathematica can be installed Operating system: Linux, Windows, Mac Classification: 2.9 Nature of problem: Analysis of strongly correlated quantum states. Solution method: The program makes use of the tools developed in Mathematica to deal with multivariate polynomials to decompose analytical strongly correlated states of bosons and fermions into a standard many-body basis. Operations with polynomials, determinants and permanents are the basic tools. Running time: The distributed notebook takes a couple of minutes to run.
NASA Astrophysics Data System (ADS)
Ozbasaran, Hakan
Trusses have an important place amongst engineering structures due to many advantages such as high structural efficiency, fast assembly and easy maintenance. Iterative truss design procedures, which require analysis of a large number of candidate structural systems such as size, shape and topology optimization with stochastic methods, mostly lead the engineer to establish a link between the development platform and external structural analysis software. By increasing number of structural analyses, this (probably slow-response) link may climb to the top of the list of performance issues. This paper introduces a software for static, global member buckling and frequency analysis of 2D and 3D trusses to overcome this problem for Mathematica users.
76 FR 41219 - Reserve Forces Policy Board (RFPB); Cancellation of Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2011-07-13
... DEPARTMENT OF DEFENSE Office of the Secretary Reserve Forces Policy Board (RFPB); Cancellation of Meeting AGENCY: Department of Defense; Office of the Secretary of Defense Reserve Forces Policy Board... address is Reserve Forces Policy Board, 7300 Defense Pentagon, Washington, DC 20301-7300. Web site: http...
77 FR 13383 - Foreign Affairs Policy Board Meeting Notice; Closed Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2012-03-06
... STATE DEPARTMENT [Public Notice: 7604] Foreign Affairs Policy Board Meeting Notice; Closed Meeting...), the Department of State announces a meeting of the Foreign Affairs Policy Board to take place on March 19, 2012, at the Department of State, Washington, DC. The Foreign Affairs Policy Board reviews and...
78 FR 34702 - Foreign Affairs Policy Board Meeting Notice
Federal Register 2010, 2011, 2012, 2013, 2014
2013-06-10
... STATE DEPARTMENT [Public Notice 8350] Foreign Affairs Policy Board Meeting Notice Closed Meeting... announces a meeting of the Foreign Affairs Policy Board to take place on July 15, 2013, at the Department of State, Washington, DC. The Foreign Affairs Policy Board reviews and assesses: (1) Global threats and...
77 FR 27774 - Health Information Technology Policy Committee Vacancy
Federal Register 2010, 2011, 2012, 2013, 2014
2012-05-11
... GOVERNMENT ACCOUNTABILITY OFFICE Health Information Technology Policy Committee Vacancy AGENCY... American Recovery and Reinvestment Act of 2009 (ARRA) established the Health Information Technology Policy.... ADDRESSES: GAO: [email protected] . GAO: 441 G Street NW., Washington, DC 20548. FOR FURTHER INFORMATION...
Kinsman, Jeremiah M; Robinson, Kathy
2018-02-27
Previous research conducted in November 2013 found there were a limited number of states and territories in the United States (US) that authorize emergency medical technicians (EMTs) and emergency medical responders (EMRs) to administer opioid antagonists. Given the continued increase in the number of opioid-related overdoses and deaths, many states have changed their policies to authorize EMTs and EMRs to administer opioid antagonists. The goal of this study is to provide an updated description of policy on EMS licensure levels' authority to administer opioid antagonists for all 50 US states, the District of Columbia (DC), and the Commonwealth of Puerto Rico (PR). State law and scopes of practice were systematically reviewed using a multi-tiered approach to determine each state's legally-defined EMS licensure levels and their authority to administer an opioid antagonist. State law, state EMS websites, and state EMS scope of practice documents were identified and searched using Google Advanced Search with Boolean Search Strings. Initial results of the review were sent to each state office of EMS for review and comment. As of September 1, 2017, 49 states and DC authorize EMTs to administer an opioid antagonist. Among the 40 US jurisdictions (39 states and DC) that define the EMR or a comparable first responder licensure level in state law, 37 states and DC authorize their EMRs to administer an opioid antagonist. Paramedics are authorized to administer opioid antagonists in all 50 states, DC, and PR. All 49 of the US jurisdictions (48 states and DC) that define the advanced emergency medical technician (AEMT) or a comparable intermediate EMS licensure level in state law authorize their AEMTs to administer an opioid antagonist. 49 out of 52 US jurisdictions (50 states, DC, and PR) authorize all existing levels of EMS licensure levels to administer an opioid antagonist. Expanding access to this medication can save lives, especially in communities that have limited advanced life support coverage.
Bringing education to your virtual doorstep
NASA Astrophysics Data System (ADS)
Kaurov, Vitaliy
2013-03-01
We currently witness significant migration of academic resources towards online CMS, social networking, and high-end computerized education. This happens for traditional academic programs as well as for outreach initiatives. The talk will go over a set of innovative integrated technologies, many of which are free. These were developed by Wolfram Research in order to facilitate and enhance the learning process in mathematical and physical sciences. Topics include: cloud computing with Mathematica Online; natural language programming; interactive educational resources and web publishing at the Wolfram Demonstrations Project; the computational knowledge engine Wolfram Alpha; Computable Document Format (CDF) and self-publishing with interactive e-books; course assistant apps for mobile platforms. We will also discuss outreach programs where such technologies are extensively used, such as the Wolfram Science Summer School and the Mathematica Summer Camp.
WiLE: A Mathematica package for weak coupling expansion of Wilson loops in ABJ(M) theory
NASA Astrophysics Data System (ADS)
Preti, M.
2018-06-01
We present WiLE, a Mathematica® package designed to perform the weak coupling expansion of any Wilson loop in ABJ(M) theory at arbitrary perturbative order. For a given set of fields on the loop and internal vertices, the package displays all the possible Feynman diagrams and their integral representations. The user can also choose to exclude non planar diagrams, tadpoles and self-energies. Through the use of interactive input windows, the package should be easily accessible to users with little or no previous experience. The package manual provides some pedagogical examples and the computation of all ladder diagrams at three-loop relevant for the cusp anomalous dimension in ABJ(M). The latter application gives also support to some recent results computed in different contexts.
Symbolic Computational Approach to the Marangoni Convection Problem With Soret Diffusion
NASA Technical Reports Server (NTRS)
Skarda, J. Raymond
1998-01-01
A recently reported solution for stationary stability of a thermosolutal system with Soret diffusion is re-derived and examined using a symbolic computational package. Symbolic computational languages are well suited for such an analysis and facilitate a pragmatic approach that is adaptable to similar problems. Linearization of the equations, normal mode analysis, and extraction of the final solution are performed in a Mathematica notebook format. An exact solution is obtained for stationary stability in the limit of zero gravity. A closed form expression is also obtained for the location of asymptotes in relevant parameter, (Sm(sub c), Mac(sub c)), space. The stationary stability behavior is conveniently examined within the symbolic language environment. An abbreviated version of the Mathematica notebook is given in the Appendix.
75 FR 42813 - Advisory Committee on International Economic Policy; Notice of Open Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2010-07-22
... DEPARTMENT OF STATE [Public Notice: 7092] Advisory Committee on International Economic Policy; Notice of Open Meeting The Advisory Committee on International Economic Policy (ACIEP) will meet from 2 p... 1107, Washington, DC. The meeting will be hosted by the Assistant Secretary of State for Economic...
75 FR 67804 - Advisory Committee on International Economic Policy; Notice of Open Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2010-11-03
... DEPARTMENT OF STATE [Public Notice 7224] Advisory Committee on International Economic Policy; Notice of Open Meeting The Advisory Committee on International Economic Policy (ACIEP) will meet from 2 p...., Room 1105, Washington, DC. The meeting will be hosted by the Assistant Secretary of State for Economic...
78 FR 67418 - National Plan for Civil Earth Observations; Request for Information
Federal Register 2010, 2011, 2012, 2013, 2014
2013-11-12
... OFFICE OF SCIENCE AND TECHNOLOGY POLICY National Plan for Civil Earth Observations; Request for... response to this Notice will inform the Office of Science and Technology Policy (OSTP) as it works with...-6071. Mail: Office of Science and Technology Policy, 1650 Pennsylvania Avenue NW., Washington, DC...
U.S. Presidential Candidate camps debate sciences issues
NASA Astrophysics Data System (ADS)
Showstack, Randy
2000-10-01
While budget surpluses, social security, and tax cut proposals have been major focuses during the U.S. presidential campaign between Texas Governor George W Bush and Vice President Al Gore, the candidates also have staked out a number of important issues related to Earth sciences and the environment. Two recent debates between representatives of the Bush and Gore camps have helped to clarify these positions. The Washington Science Policy Alliance presented a candidates forum on science and technology policy on October 5 at the American Association for the Advancement of Science (AAAS), in Washington, D.C. On September 26, the non-profit National Environmental Policy Institute (NEPI) held a debate on presidential politics and the environment at the National Press Club, also in Washington, D.C.
DOE Office of Scientific and Technical Information (OSTI.GOV)
Wicks, F.
1998-07-01
The need to produce electricity either more fuel efficiently or without need for consuming fuel is well recognized. Fuel cells are typically suggested for higher efficiency and photovoltaics can produce electricity directly from the sun. However, both of these devices produce direct current which is not compatible with the existing ac power system. The typical options of installing AC to DC inverters and the dedication of this DC generation to DC loads and storage are costly and inefficient. Thus, the author suggests it would be better in terms of energy conservation and public policy to convert end use service tomore » DC for direct compatibility with this DC generation, as a first step toward conversion to a new and better type of electric power system that can be described as a solid state power electronics based multiple voltage DC power system.« less
VEST: Abstract Vector Calculus Simplification in Mathematica
DOE Office of Scientific and Technical Information (OSTI.GOV)
J. Squire, J. Burby and H. Qin
2013-03-12
We present a new package, VEST (Vector Einstein Summation Tools), that performs abstract vector calculus computations in Mathematica. Through the use of index notation, VEST is able to reduce scalar and vector expressions of a very general type using a systematic canonicalization procedure. In addition, utilizing properties of the Levi-Civita symbol, the program can derive types of multi-term vector identities that are not recognized by canonicalization, subsequently applying these to simplify large expressions. In a companion paper [1], we employ VEST in the automation of the calculation of Lagrangians for the single particle guiding center system in plasma physics, amore » computation which illustrates its ability to handle very large expressions. VEST has been designed to be simple and intuitive to use, both for basic checking of work and more involved computations. __________________________________________________« less
VEST: Abstract vector calculus simplification in Mathematica
NASA Astrophysics Data System (ADS)
Squire, J.; Burby, J.; Qin, H.
2014-01-01
We present a new package, VEST (Vector Einstein Summation Tools), that performs abstract vector calculus computations in Mathematica. Through the use of index notation, VEST is able to reduce three-dimensional scalar and vector expressions of a very general type to a well defined standard form. In addition, utilizing properties of the Levi-Civita symbol, the program can derive types of multi-term vector identities that are not recognized by reduction, subsequently applying these to simplify large expressions. In a companion paper Burby et al. (2013) [12], we employ VEST in the automation of the calculation of high-order Lagrangians for the single particle guiding center system in plasma physics, a computation which illustrates its ability to handle very large expressions. VEST has been designed to be simple and intuitive to use, both for basic checking of work and more involved computations.
Automation of the guiding center expansion
NASA Astrophysics Data System (ADS)
Burby, J. W.; Squire, J.; Qin, H.
2013-07-01
We report on the use of the recently developed Mathematica package VEST (Vector Einstein Summation Tools) to automatically derive the guiding center transformation. Our Mathematica code employs a recursive procedure to derive the transformation order-by-order. This procedure has several novel features. (1) It is designed to allow the user to easily explore the guiding center transformation's numerous non-unique forms or representations. (2) The procedure proceeds entirely in cartesian position and velocity coordinates, thereby producing manifestly gyrogauge invariant results; the commonly used perpendicular unit vector fields e1,e2 are never even introduced. (3) It is easy to apply in the derivation of higher-order contributions to the guiding center transformation without fear of human error. Our code therefore stands as a useful tool for exploring subtle issues related to the physics of toroidal momentum conservation in tokamaks.
Automation of The Guiding Center Expansion
DOE Office of Scientific and Technical Information (OSTI.GOV)
J. W. Burby, J. Squire and H. Qin
2013-03-19
We report on the use of the recently-developed Mathematica package VEST (Vector Einstein Summation Tools) to automatically derive the guiding center transformation. Our Mathematica code employs a recursive procedure to derive the transformation order-by-order. This procedure has several novel features. (1) It is designed to allow the user to easily explore the guiding center transformation's numerous nonunique forms or representations. (2) The procedure proceeds entirely in cartesian position and velocity coordinates, thereby producing manifestly gyrogauge invariant results; the commonly-used perpendicular unit vector fields e1, e2 are never even introduced. (3) It is easy to apply in the derivation of higher-ordermore » contributions to the guiding center transformation without fear of human error. Our code therefore stands as a useful tool for exploring subtle issues related to the physics of toroidal momentum conservation in tokamaks« less
Methods for Modeling Brassinosteroid-Mediated Signaling in Plant Development.
Frigola, David; Caño-Delgado, Ana I; Ibañes, Marta
2017-01-01
Mathematical modeling of biological processes is a useful tool to draw conclusions that are contained in the data, but not directly reachable, as well as to make predictions and select the most efficient follow-up experiments. Here we outline a method to model systems of a few proteins that interact transcriptionally and/or posttranscriptionally, by representing the system as Ordinary Differential Equations and to study the model dynamics and stationary states. We exemplify this method by focusing on the regulation by the brassinosteroid (BR) signaling component BRASSINOSTEROID INSENSITIVE1 ETHYL METHYL SULFONATE SUPPRESSOR1 (BES1) of BRAVO, a quiescence-regulating transcription factor expressed in the quiescent cells of Arabidopsis thaliana roots. The method to extract the stationary states and the dynamics is provided as a Mathematica code and requires basic knowledge of the Mathematica software to be executed.
Code of Federal Regulations, 2011 CFR
2011-10-01
... Acquisition Policy (Contract Policy and International Contracting), 3060 Defense Pentagon, Washington, DC... OF DEFENSE CONTRACTING METHODS AND CONTRACT TYPES SPECIAL CONTRACTING METHODS Undefinitized Contract Actions 217.7402 Exceptions. (a) The following undefinitized contract actions (UCAs) are not subject to...
ERIC Educational Resources Information Center
Rosen, Howard, Ed.
These five papers underscore the fact that the labor market policies of Japan, West Germany, the United Kingdom, France, and Australia are similar in many ways. The papers are "Japanese Labor Market Policies" (Koji Taira), "The Labor Market Policies of West Germany" (Deborah R. Cichon), "The Management of the U.K. Labour…
78 FR 63251 - Board Meeting; November 20, 2013 in Washington, DC
Federal Register 2010, 2011, 2012, 2013, 2014
2013-10-23
... NUCLEAR WASTE TECHNICAL REVIEW BOARD Board Meeting; November 20, 2013 in Washington, DC The U.S. Nuclear Waste Technical Review Board will meet to discuss DOE SNF and HLW management research and... Policy Amendments Act of 1987, the U.S. Nuclear Waste Technical Review Board will hold a public meeting...
Measuring the Implementation of a School Wellness Policy
ERIC Educational Resources Information Center
Snelling, Anastasia; Belson, Sarah Irvine; Watts, Erin; Malloy, Elizabeth; Van Dyke, Hugo; George, Stephanie; Schlicker, Sandra; Katz, Nancy Brenowitz
2017-01-01
Background: With the rise in childhood obesity, school policies related to nutrition and physical activity have been written and implemented. In this paper, we present a model to evaluate the degree to which state legislation for school health policies are implemented at the school level. Methods: Using Washington, DC's Healthy Schools Act (HSA)…
NASA Astrophysics Data System (ADS)
Fisher-Maltese, Carley; Fisher, Dana R.; Ray, Rashawn
2017-09-01
This article explores how school gardens provide learning opportunities for school-aged children while concurrently helping cities achieve sustainability. The authors analyse this process in Washington, DC, a particularly innovative metropolis in the United States. This national capital city boasts two of the most progressive examples of legislation aimed at improving environmental awareness and inciting citizens to engage in environmental stewardship, both of which focus on school-aged children: (1) the Healthy Schools Act of 2010 and (2) the Sustainable DC Act of 2012. Together these policies focus on bringing healthy lifestyles and environmental awareness, including meaningful outdoor learning experiences, to students and families in the District of Columbia. This article is organised into three parts. The first part discusses how Washington, DC became a sustainable learning city through the implementation of these specific policies. The next part presents the results of a pilot study conducted in one kindergarten to Grade 5 (K-5) elementary school located in Ward 8, the poorest part of the city. The authors' analysis considers the support and the obstacles teachers and principals in the District of Columbia (DC) are experiencing in their efforts to integrate school gardens into the curriculum and the culture of their schools. Exploring the impacts of the school garden on the students, the local community, and the inter-generational relationships at and beyond schools, the authors aim to shed light on the benefits and the challenges. While Washington, DC is fostering its hope that the benefits prevail as it provides a model for other cities to follow, the authors also candidly present the challenges of implementing these policies. In the final part, they discuss the implications of their findings for school gardens and sustainable learning cities more broadly. They encourage further research to gain more insights into effective ways of promoting environmental literacy and to consolidate the transferability of this model.
Code of Federal Regulations, 2014 CFR
2014-10-01
... 48 Federal Acquisition Regulations System 7 2014-10-01 2014-10-01 false Policy. 2906.301 Section 2906.301 Federal Acquisition Regulations System DEPARTMENT OF LABOR ACQUISITION PLANNING COMPETITION... Director, Division of Acquisition Management Services, 200 Constitution Ave., NW., Washington, DC 20210...
Code of Federal Regulations, 2012 CFR
2012-10-01
... 48 Federal Acquisition Regulations System 7 2012-10-01 2012-10-01 false Policy. 2906.301 Section 2906.301 Federal Acquisition Regulations System DEPARTMENT OF LABOR ACQUISITION PLANNING COMPETITION... Director, Division of Acquisition Management Services, 200 Constitution Ave., NW., Washington, DC 20210...
76 FR 79714 - Premium Changes Based On Recharacterization of Contributions
Federal Register 2010, 2011, 2012, 2013, 2014
2011-12-22
... PENSION BENEFIT GUARANTY CORPORATION Premium Changes Based On Recharacterization of Contributions AGENCY: Pension Benefit Guaranty Corporation. ACTION: Policy statement. SUMMARY: This policy statement..., Legislative and Regulatory Department, Pension Benefit Guaranty Corporation, 1200 K Street NW., Washington DC...
Dievler, A; Pappas, G
1999-04-01
This paper explores how social class and race affect the public health policy-making process in an urban area. Ethnographic methods were used to collect and analyze information about HIV/AIDS and tuberculosis policy-making by the Washington, DC Commission of Public Health, Kingdon's conceptual model of policy making was used to analyze and understand the process. The problems of HIV/AIDS and tuberculosis in the district have important social class dimensions that were not always made explicit, but were instead defined in terms of 'race' and 'place'. Social class considerations and racial politics shaped what policies were developed or not developed and implemented successfully or failed. This study, which has national and international implications, concludes that there is a need to improve our understanding of the complex social dimensions of public health problems; there needs to be more consideration of the politics of strategy formulation and how issues of social class and race affect this process; and public health needs to strengthen its constituency in order to build support for the successful development and implementation of policy.
Calculating the renormalisation group equations of a SUSY model with Susyno
NASA Astrophysics Data System (ADS)
Fonseca, Renato M.
2012-10-01
Susyno is a Mathematica package dedicated to the computation of the 2-loop renormalisation group equations of a supersymmetric model based on any gauge group (the only exception being multiple U(1) groups) and for any field content. Program summary Program title: Susyno Catalogue identifier: AEMX_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEMX_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 30829 No. of bytes in distributed program, including test data, etc.: 650170 Distribution format: tar.gz Programming language: Mathematica 7 or higher. Computer: All systems that Mathematica 7+ is available for (PC, Mac). Operating system: Any platform supporting Mathematica 7+ (Windows, Linux, Mac OS). Classification: 4.2, 5, 11.1. Nature of problem: Calculating the renormalisation group equations of a supersymmetric model involves using long and complicated general formulae [1, 2]. In addition, to apply them it is necessary to know the Lagrangian in its full form. Building the complete Lagrangian of models with small representations of SU(2) and SU(3) might be easy but in the general case of arbitrary representations of an arbitrary gauge group, this task can be hard, lengthy and error prone. Solution method: The Susyno package uses group theoretical functions to calculate the super-potential and the soft-SUSY-breaking Lagrangian of a supersymmetric model, and calculates the two-loop RGEs of the model using the general equations of [1, 2]. Susyno works for models based on any representation(s) of any gauge group (the only exception being multiple U(1) groups). Restrictions: As the program is based on the formalism of [1, 2], it shares its limitations. Running time can also be a significant restriction, in particular for models with many fields. Unusual features: Susyno contains functions that (a) calculate the Lagrangian of supersymmetric models and (b) calculate some group theoretical quantities. Some of these functions are available to the user and can be freely used. A built-in help system provides detailed information. Running time: Tests were made using a computer with an Intel Core i5 760 CPU, running under Ubuntu 11.04 and with Mathematica 8.0.1 installed. Using the option to suppress printing, the one- and two-loop beta functions of the MSSM were obtained in 2.5 s (NMSSM: 5.4 s). Note that the running time scales up very quickly with the total number of fields in the model. References: [1] S.P. Martin and M.T. Vaughn, Phys. Rev. D 50 (1994) 2282. [Erratum-ibid D 78 (2008) 039903] [arXiv:hep-ph/9311340]. [2] Y. Yamada, Phys. Rev. D 50 (1994) 3537 [arXiv:hep-ph/9401241].
ERIC Educational Resources Information Center
Sabonis-Chafee, Terry, Ed.
Information is presented on internships in the Washington, D.C., area that enable students to explore the effects of technology and science on society. Science and engineering student interns work in nonlaboratory environments, and nontechnical students may work in issue areas and newly emerging public policy challenges. The directory includes…
Leveraging State And Local Law Enforcement Maritime Homeland Security Practices
2016-03-01
ric-zai-inc.com/Publications/cops-p143-pub.pdf. 8 Yahoo News, “10 Years Later: The Rookie Police Officer Who Caught Eric Rudolph,” May 20, 2013, http...DC: White House, 2004. ———. Presidential Policy Directive 18 (PPD-18), Maritime Security. Washington, DC: White House, 2012. Yahoo News. “10
Market-Driven Education Reform and the Racial Politics of Advocacy
ERIC Educational Resources Information Center
Scott, Janelle T.
2011-01-01
What is the landscape of the racial politics of public education in the age of Obama? To what factors can we attribute the seeming educational policy consensus from Washington, DC, to the states and from philanthropies and policy entrepreneurs in urban school districts? How should we understand opposition to the policy menu? This article examines…
ERIC Educational Resources Information Center
Hewitt, Kimberly Kappler
2015-01-01
In the United States, policies in forty states and D.C. incorporate student growth measures--estimates of student progress attributed to educators--into educator evaluation. The federal government positions such policies as levers for ensuring that more students are taught by effective teachers and that effective educators are more equitably…
RSA cryptography and multi prime RSA cryptography
NASA Astrophysics Data System (ADS)
Sani, Nur Atiqah Abdul; Kamarulhaili, Hailiza
2017-08-01
RSA cryptography is one of the most powerful and popular cryptosystem which is being applied until now. There is one variant of RSA cryptography named Multi Prime RSA (MPRSA) cryptography. MPRSA cryptography is the improved version of RSA cryptography. We only need to modify a few steps in key generation part and apply the Chinese Remainder Theorem (CRT) in the decryption part to get the MPRSA algorithm. The focus of this research is to compare between the standard RSA cryptography and MPRSA cryptography in a few aspects. The research shows that MPRSA cryptography is more efficient than the RSA cryptography. Time complexity using Mathematica software is also conducted and it is proven that MPRSA cryptography has shorter time taken. It also implies the computational time is less than RSA cryptography. Mathematica software version 9.0 and a laptop HP ProBook 4331s are used to check the timing and to implement both algorithms.
Spin wave Feynman diagram vertex computation package
NASA Astrophysics Data System (ADS)
Price, Alexander; Javernick, Philip; Datta, Trinanjan
Spin wave theory is a well-established theoretical technique that can correctly predict the physical behavior of ordered magnetic states. However, computing the effects of an interacting spin wave theory incorporating magnons involve a laborious by hand derivation of Feynman diagram vertices. The process is tedious and time consuming. Hence, to improve productivity and have another means to check the analytical calculations, we have devised a Feynman Diagram Vertex Computation package. In this talk, we will describe our research group's effort to implement a Mathematica based symbolic Feynman diagram vertex computation package that computes spin wave vertices. Utilizing the non-commutative algebra package NCAlgebra as an add-on to Mathematica, symbolic expressions for the Feynman diagram vertices of a Heisenberg quantum antiferromagnet are obtained. Our existing code reproduces the well-known expressions of a nearest neighbor square lattice Heisenberg model. We also discuss the case of a triangular lattice Heisenberg model where non collinear terms contribute to the vertex interactions.
Automation of the guiding center expansion
DOE Office of Scientific and Technical Information (OSTI.GOV)
Burby, J. W.; Squire, J.; Qin, H.
2013-07-15
We report on the use of the recently developed Mathematica package VEST (Vector Einstein Summation Tools) to automatically derive the guiding center transformation. Our Mathematica code employs a recursive procedure to derive the transformation order-by-order. This procedure has several novel features. (1) It is designed to allow the user to easily explore the guiding center transformation's numerous non-unique forms or representations. (2) The procedure proceeds entirely in cartesian position and velocity coordinates, thereby producing manifestly gyrogauge invariant results; the commonly used perpendicular unit vector fields e{sub 1},e{sub 2} are never even introduced. (3) It is easy to apply in themore » derivation of higher-order contributions to the guiding center transformation without fear of human error. Our code therefore stands as a useful tool for exploring subtle issues related to the physics of toroidal momentum conservation in tokamaks.« less
32 CFR 2402.7 - Appeal of denials.
Code of Federal Regulations, 2013 CFR
2013-07-01
... National Defense Other Regulations Relating to National Defense OFFICE OF SCIENCE AND TECHNOLOGY POLICY... email to [email protected] or by mail to: Chief FOIA Officer, Office of Science and Technology Policy, Eisenhower Executive Office Building, 1650 Pennsylvania Ave. NW., Washington, DC 20504. Updates...
2011-05-01
communications and on computer networks—its Global Information Grid—which are potentially jeopardized by the millions of denial-of-service attacks, hacking ...Director,a National Security Agency Chief of Staff Joint Operations Center Defense Information Systems Agency Command Center J1 J2 J3 J4 J5 J6 J7 J8...DC Joint Staff • J39, Operations, Pentagon, Washington, DC • J5 , Strategic Plans and Policy, Pentagon, Washington, DC U.S. Strategic Command • J882
Automatic generation of user material subroutines for biomechanical growth analysis.
Young, Jonathan M; Yao, Jiang; Ramasubramanian, Ashok; Taber, Larry A; Perucchio, Renato
2010-10-01
The analysis of the biomechanics of growth and remodeling in soft tissues requires the formulation of specialized pseudoelastic constitutive relations. The nonlinear finite element analysis package ABAQUS allows the user to implement such specialized material responses through the coding of a user material subroutine called UMAT. However, hand coding UMAT subroutines is a challenge even for simple pseudoelastic materials and requires substantial time to debug and test the code. To resolve this issue, we develop an automatic UMAT code generation procedure for pseudoelastic materials using the symbolic mathematics package MATHEMATICA and extend the UMAT generator to include continuum growth. The performance of the automatically coded UMAT is tested by simulating the stress-stretch response of a material defined by a Fung-orthotropic strain energy function, subject to uniaxial stretching, equibiaxial stretching, and simple shear in ABAQUS. The MATHEMATICA UMAT generator is then extended to include continuum growth by adding a growth subroutine to the automatically generated UMAT. The MATHEMATICA UMAT generator correctly derives the variables required in the UMAT code, quickly providing a ready-to-use UMAT. In turn, the UMAT accurately simulates the pseudoelastic response. In order to test the growth UMAT, we simulate the growth-based bending of a bilayered bar with differing fiber directions in a nongrowing passive layer. The anisotropic passive layer, being topologically tied to the growing isotropic layer, causes the bending bar to twist laterally. The results of simulations demonstrate the validity of the automatically coded UMAT, used in both standardized tests of hyperelastic materials and for a biomechanical growth analysis.
CUGatesDensity—Quantum circuit analyser extended to density matrices
NASA Astrophysics Data System (ADS)
Loke, T.; Wang, J. B.
2013-12-01
CUGatesDensity is an extension of the original quantum circuit analyser CUGates (Loke and Wang, 2011) [7] to provide explicit support for the use of density matrices. The new package enables simulation of quantum circuits involving statistical ensemble of mixed quantum states. Such analysis is of vital importance in dealing with quantum decoherence, measurements, noise and error correction, and fault tolerant computation. Several examples involving mixed state quantum computation are presented to illustrate the use of this package. Catalogue identifier: AEPY_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEPY_v1_0.html Program obtainable from: CPC Program Library, Queen’s University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 5368 No. of bytes in distributed program, including test data, etc.: 143994 Distribution format: tar.gz Programming language: Mathematica. Computer: Any computer installed with a copy of Mathematica 6.0 or higher. Operating system: Any system with a copy of Mathematica 6.0 or higher installed. Classification: 4.15. Nature of problem: To simulate arbitrarily complex quantum circuits comprised of single/multiple qubit and qudit quantum gates with mixed state registers. Solution method: A density matrix representation for mixed states and a state vector representation for pure states are used. The construct is based on an irreducible form of matrix decomposition, which allows a highly efficient implementation of general controlled gates with multiple conditionals. Running time: The examples provided in the notebook CUGatesDensity.nb take approximately 30 s to run on a laptop PC.
By Stuart G. Baker, 2017 Introduction This software fits a zero-intercept random effects linear model to data on surrogate and true endpoints in previous trials. Requirement: Mathematica Version 11 or later. |
mr: A C++ library for the matching and running of the Standard Model parameters
NASA Astrophysics Data System (ADS)
Kniehl, Bernd A.; Pikelner, Andrey F.; Veretin, Oleg L.
2016-09-01
We present the C++ program library mr that allows us to reliably calculate the values of the running parameters in the Standard Model at high energy scales. The initial conditions are obtained by relating the running parameters in the MS bar renormalization scheme to observables at lower energies with full two-loop precision. The evolution is then performed in accordance with the renormalization group equations with full three-loop precision. Pure QCD corrections to the matching and running are included through four loops. We also provide a Mathematica interface for this program library. Catalogue identifier: AFAI_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AFAI_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: GNU General Public License, version 3 No. of lines in distributed program, including test data, etc.: 517613 No. of bytes in distributed program, including test data, etc.: 2358729 Distribution format: tar.gz Programming language: C++. Computer: IBM PC. Operating system: Linux, Mac OS X. RAM: 1 GB Classification: 11.1. External routines: TSIL [1], OdeInt [2], boost [3] Nature of problem: The running parameters of the Standard Model renormalized in the MS bar scheme at some high renormalization scale, which is chosen by the user, are evaluated in perturbation theory as precisely as possible in two steps. First, the initial conditions at the electroweak energy scale are evaluated from the Fermi constant GF and the pole masses of the W, Z, and Higgs bosons and the bottom and top quarks including the full two-loop threshold corrections. Second, the evolution to the high energy scale is performed by numerically solving the renormalization group evolution equations through three loops. Pure QCD corrections to the matching and running are included through four loops. Solution method: Numerical integration of analytic expressions Additional comments: Available for download from URL: http://apik.github.io/mr/. The MathLink interface is tested to work with Mathematica 7-9 and, with an additional flag, also with Mathematica 10 under Linux and with Mathematica 10 under Mac OS X. Running time: less than 1 second References: [1] S. P. Martin and D. G. Robertson, Comput. Phys. Commun. 174 (2006) 133-151 [hep-ph/0501132]. [2] K. Ahnert and M. Mulansky, AIP Conf. Proc. 1389 (2011) 1586-1589 [arxiv:1110.3397 [cs.MS
75 FR 3756 - The National Environmental Policy Act Procedures Manual
Federal Register 2010, 2011, 2012, 2013, 2014
2010-01-22
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75 FR 13139 - The National Environmental Policy Act Procedures Manual
Federal Register 2010, 2011, 2012, 2013, 2014
2010-03-18
... NATIONAL INDIAN GAMING COMMISSION The National Environmental Policy Act Procedures Manual AGENCY: The National Indian Gaming Commission. ACTION: Notice of reopening of comment period. SUMMARY: This... Indian Gaming Commission, 1441 L Street, NW., Suite 9100, Washington, DC 20005; (2) by hand delivery to...
ERIC Educational Resources Information Center
Cohen, Wilbur J.
One of a series of proceedings of seminars on Manpower Policy and Program, this report presents a condensed transcript of a seminar. Dr. Wilbur J. Cohen discussed women in the labor force today, future trends in women's employment, future demands for workers, health personnel shortages, educational opportunities, homemaker services needed, and…
ERIC Educational Resources Information Center
SCHULTZ, THEODORE W.
WORKERS ARE PRODUCTIVE AGENTS. THEIR ECONOMIC PRODUCTIVITY IS ENHANCED BY INVESTMENT IN THEM. THE INVESTMENT APPROACH IS NOT ONLY A USEFUL BUT A VERY POWERFUL ORGANIZING CONCEPT FOR POLICY AND PROGRAMING. BY USING IT, ONE CAN IDENTIFY MAJOR MALINVESTMENTS THAT ARE A CONSEQUENCE OF PUBLIC POLICY SUCH AS--(1) IN AGRICULTURE, TOO MUCH HAS BEEN…
Federal Register 2010, 2011, 2012, 2013, 2014
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... Policy and Strategy, Chief, Regulatory Coordination Division, 20 Massachusetts Avenue NW., Washington, DC... money incurred by applicants for the following aspects of this information collection: The time burden... contacted at: USCIS, Office of Policy and Strategy, Regulatory Coordination Division, 20 Massachusetts...
Manufacturing in America: Crisis and Opportunity
1993-04-01
Management November-December 1991: 39-45. 13 Chubb, John E. and Eric A. Hanushek . Setting National Priorities: Policy for the Nineties. Ed. Henry J. Aaron...A. Hanushek . Setting National Priorities: Policy for the Nineties. Ed. Henry J. Aaron. Washington, D.C.: The Brookings Institution,1990. 16 ’Training
48 CFR 204.7005 - Assignment of order codes.
Code of Federal Regulations, 2010 CFR
2010-10-01
... Identification Numbers 204.7005 Assignment of order codes. (a) The Defense Logistics Agency, Acquisition Policy...-1000 Air Force: SAF/AQCI, 1060 Air Force Pentagon, Washington, DC 20330-1060 Defense Logistics Agency: Defense Logistics Agency, Acquisition Policy Branch (J-3311), John J. Kingman Road, Fort Belvoir, VA 22060...
16 CFR 4.9 - The public record.
Code of Federal Regulations, 2014 CFR
2014-01-01
... Center, Federal Trade Commission, Room 130, 600 Pennsylvania Avenue NW., Washington, DC 20580, and shall... §§ 4.14 through 4.15, 4.17). (i) A current index of opinions, orders, statements of policy and...) Statements of the Commission's general procedures and policies and interpretations, its nonadjudicative...
76 FR 27563 - Margin and Capital Requirements for Covered Swap Entities
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2011-05-11
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78 FR 55330 - Policy Regarding Airport Rates and Charges
Federal Register 2010, 2011, 2012, 2013, 2014
2013-09-10
... Printing Office's Web page at http://www.access.gpo.gov/su_docs/aces/aces140.html . Authority for This... Transport Ass'n of America v. DOT, 119 F.3d 38, amended by 129 F.3d 625 (D.C. Cir. 1997). In July 2008... of Columbia Circuit, Air Transport Ass'n v. DOT, 613 F.3d 206 (D.C. Cir. 2010). In 2012, Congress...
Code of Federal Regulations, 2010 CFR
2010-10-01
... OfficerSenior FOIA Program Officer “Policy Only-No Requests” MS-7438-MIB 1849 C St., NW. Washington, DC... Reading Room—DOI's LibraryMIB (C Street Entrance) 1849 C St., NW. Washington, DC 20240 Telephone No. (202... Fax No. (202) 208-5133 Reading Room—DOI's LibraryMIB (C Street Entrance) 1849 C St., NW. Washington...
ERIC Educational Resources Information Center
Ooms, Theodora; Herendeen, Lisa
The purpose of this policy seminar, one of a series of family impact seminars, was to consider current and proposed policies of the federal government that concern child care. This document provides highlights of presentations by the seminar panelists and a background briefing report prepared before the meeting. The highlights section summarizes:…
Straight A's: Public Education Policy and Progress. Volume 6, Number 12
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House Subcommittee Passes Education Funding Bill: Overall Education Spending Essentially Flat, Striving Readers…
Federal Register 2010, 2011, 2012, 2013, 2014
2013-07-05
... Policy and Strategy, Chief, Regulatory Coordination Division, 20 Massachusetts Avenue NW, Washington, DC... terms of time and money incurred by applicants for the following aspects of this information collection..., Office of Policy and Strategy, Regulatory Coordination Division, 20 Massachusetts Avenue NW., Washington...
78 FR 34660 - Economic Impact Policy
Federal Register 2010, 2011, 2012, 2013, 2014
2013-06-10
... EXPORT-IMPORT BANK Economic Impact Policy This notice is to inform the public that the Export-Import Bank of the United States has received an application for a $99 million comprehensive loan... economic[email protected] or by mail to 811 Vermont Avenue NW., Room 442, Washington, DC 20571, within 14...
Straight A's: Public Education Policy and Progress. Volume 8, Number 2
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2008-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "Educating Our Children": "Forbes" Taps Leaders in Business, Government, and Education for New…
Straight A's: Public Education Policy and Progress. Volume 4, Number 17
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2004-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "Profiles in Leadership": Alliance Releases a Collection of Essays from America's Foremost Education…
Truth & Beauty: Mathematics in Literature
ERIC Educational Resources Information Center
Cohen, Marion D.
2013-01-01
Today there are many categories of mathematics literature, including fiction and poetry. Mathematics fiction appears in such anthologies as "Fantasia Mathematica" (Fadiman 1958, 1997) and "The Mathematical Magpie" (Fadiman 1962, 1997). In addition, mathematics fiction is featured at http://kasmana.people.cofc.edu/MATHFICT.…
EARL: Exoplanet Analytic Reflected Lightcurves package
NASA Astrophysics Data System (ADS)
Haggard, Hal M.; Cowan, Nicolas B.
2018-05-01
EARL (Exoplanet Analytic Reflected Lightcurves) computes the analytic form of a reflected lightcurve, given a spherical harmonic decomposition of the planet albedo map and the viewing and orbital geometries. The EARL Mathematica notebook allows rapid computation of reflected lightcurves, thus making lightcurve numerical experiments accessible.
Medicaid and CHIP Provide Coverage to More than Half of All Children in D.C. Policy Snapshot
ERIC Educational Resources Information Center
DC Action for Children, 2011
2011-01-01
Medicaid and CHIP are crucial parts of the social safety net, providing health insurance coverage to more than half of all children ages 0-21 in D.C. and a third of children nationally. Without these two programs, more than 97,000 children in the District would have been uninsured in 2010. New research indicates that compared with the uninsured,…
ERIC Educational Resources Information Center
Ashby, Cornelia M.; Franzel, Jeanette M.
2007-01-01
The D.C. School Choice Incentive Act created the first private kindergarten-through-grade-12 school-choice program supported by federal funds. The program was named the D.C. Opportunity Scholarship Program (OSP). The United States Government Accountability Office (GAO) was asked to assess the (1) accountability mechanisms governing the use of…
DecouplingModes: Passive modes amplitudes
NASA Astrophysics Data System (ADS)
Shaw, J. Richard; Lewis, Antony
2018-01-01
DecouplingModes calculates the amplitude of the passive modes, which requires solving the Einstein equations on superhorizon scales sourced by the anisotropic stress from the magnetic fields (prior to neutrino decoupling), and the magnetic and neutrino stress (after decoupling). The code is available as a Mathematica notebook.
VetPop2001Adj is VA's new official estimate and projection of the veteran population as of 9-30-02. It revises and replaces the estimate and projection in VetPop2001. Mathematica has been actively involved since 1998 in designing and developing an actuarial model, VetPop2001 that...
Remote detection of carbon monoxide by FTIR for simulating field detection in industrial process
NASA Astrophysics Data System (ADS)
Gao, Qiankun; Liu, Wenqing; Zhang, Yujun; Gao, Mingguang; Xu, Liang; Li, Xiangxian; Jin, Ling
2016-10-01
In order to monitor carbon monoxide in industrial production, we developed a passive gas radiation measurement system based on Fourier transform infrared spectroscopy and carried out infrared radiation measurement experiment of carbon monoxide detection in simulated industrial production environment by this system. The principle, condition, device and data processing method of the experiment are introduced in this paper. In order to solve the problem of light path jitter in the actual industrial field, we simulated the noise in the industrial environment. We combine the advantages of MATHEMATICA software in the aspects of graph processing and symbolic computation to data processing to improve the signal noise ratio and noise suppression. Based on the HITRAN database, the nonlinear least square fitting method was used to calculate the concentration of the CO spectra before and after the data processing. By comparing the calculated concentration, the data processed by MATHEMATICA is reliable and necessary in the industrial production environment.
Advanced compilation techniques in the PARADIGM compiler for distributed-memory multicomputers
NASA Technical Reports Server (NTRS)
Su, Ernesto; Lain, Antonio; Ramaswamy, Shankar; Palermo, Daniel J.; Hodges, Eugene W., IV; Banerjee, Prithviraj
1995-01-01
The PARADIGM compiler project provides an automated means to parallelize programs, written in a serial programming model, for efficient execution on distributed-memory multicomputers. .A previous implementation of the compiler based on the PTD representation allowed symbolic array sizes, affine loop bounds and array subscripts, and variable number of processors, provided that arrays were single or multi-dimensionally block distributed. The techniques presented here extend the compiler to also accept multidimensional cyclic and block-cyclic distributions within a uniform symbolic framework. These extensions demand more sophisticated symbolic manipulation capabilities. A novel aspect of our approach is to meet this demand by interfacing PARADIGM with a powerful off-the-shelf symbolic package, Mathematica. This paper describes some of the Mathematica routines that performs various transformations, shows how they are invoked and used by the compiler to overcome the new challenges, and presents experimental results for code involving cyclic and block-cyclic arrays as evidence of the feasibility of the approach.
NASA Astrophysics Data System (ADS)
McConnell, Sean; Fritzsche, Stephan; Surzhykov, Andrey
2010-03-01
During recent years, the DIRAC package has proved to be an efficient tool for studying the structural properties and dynamic behavior of hydrogen-like ions. Originally designed as a set of MAPLE procedures, this package provides interactive access to the wave and Green's functions in the non-relativistic and relativistic frameworks and supports analytical evaluation of a large number of radial integrals that are required for the construction of transition amplitudes and interaction cross sections. We provide here a new version of the DIRAC program which is developed within the framework of MATHEMATICA (version 6.0). This new version aims to cater to a wider community of researchers that use the MATHEMATICA platform and to take advantage of the generally faster processing times therein. Moreover, the addition of new procedures, a more convenient and detailed help system, as well as source code revisions to overcome identified shortcomings should ensure expanded use of the new DIRAC program over its predecessor. New version program summaryProgram title: DIRAC Catalogue identifier: ADUQ_v2_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADUQ_v2_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC license, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 45 073 No. of bytes in distributed program, including test data, etc.: 285 828 Distribution format: tar.gz Programming language: Mathematica 6.0 or higher Computer: All computers with a license for the computer algebra package Mathematica (version 6.0 or higher) Operating system: Mathematica is O/S independent Classification: 2.1 Catalogue identifier of previous version: ADUQ_v1_0 Journal reference of previous version: Comput. Phys. Comm. 165 (2005) 139 Does the new version supersede the previous version?: Yes Nature of problem: Since the early days of quantum mechanics, the "hydrogen atom" has served as one of the key models for studying the structure and dynamics of various quantum systems. Its analytic solutions are frequently used in case studies in atomic and molecular physics, quantum optics, plasma physics, or even in the field of quantum information and computation. Fast and reliable access to functions and properties of the hydrogenic systems are frequently required, in both the non-relativistic and relativistic frameworks. Despite all the knowledge about one-electron ions, providing such an access is not a simple task, owing to the rather complicated mathematical structure of the Schrödinger and especially Dirac equations. Moreover, for analyzing experimental results as well as for performing advanced theoretical studies one often needs (apart from the detailed information on atomic wave- and Green's functions) to be able to calculate a number of integrals involving these functions. Although for many types of transition operators these integrals can be evaluated analytically in terms of special mathematical functions, such an evaluation is usually rather involved and prone to mistakes. Solution method: A set of Mathematica procedures is developed which provides both the non-relativistic and relativistic solutions of the "Hydrogen atom model". It facilitates, moreover, the symbolic evaluation of integrals involved in the calculations of cross sections and transition amplitudes. These procedures are based on a large number of relations among special mathematical functions, information about their integral representations, recurrence formulae and series expansions. Based on this knowledge, the DIRAC tools provide a fast and reliable algebraic (and if necessary, numeric) manipulation of functions and properties of one-electron systems, thus helping to obtain further insight into the behavior of quantum physical systems. Reasons for new version: The original version of the DIRAC program was developed as a toolbox of Maple procedures and was submitted to the CPC library in 2004 (cf. Ref. [1]). Since then DIRAC has found its niche in advanced theoretical studies carried out in realm of heavy ion physics. With the help of this program detailed analysis has been performed, in particular, for the various excitation and ionization processes occurring in relativistic ion-atom collisions [2], the polarization of the characteristic X-ray radiation following radiative electron capture [3], the correlation properties of the two-photon emission from few-electron heavy ions [4], the spin entanglement phenomena in atomic photoionization [5] and even for exploring the vibrational excitations of the heavy nuclei [6]. Although these studies have conclusively proven the potential of the program, they have also illuminated routes for its further enhancement. Apart from certain source code revisions, demand has grown for a new version of DIRAC compatible with the Mathematica platform. The version presented here includes a wider ranging and more user friendly interactive help system, a number of new procedures and reprogramming for greater computational efficiency. Summary of revisions: The most important new capabilities of the DIRAC program since the previous version are: The utilization of the Mathematica (version 6.0) platform. The addition of a number of new procedures. Since the complete list of the new (and updated) procedures can be found in the interactive help library of the program, we mention here only the most important ones: DiracGlobal[] - Displays a list of the current global settings which specify the framework, nuclear charge and the units which are to be used by the DIRAC program. DiracRadialOrbitalMomentum[] - Returns a non-relativistic radial orbital in momentum space for both, the bound and free electron states. DiracSlaterRadial[] - Evaluates the radial Slater integral both, with the non-relativistic and relativistic wavefunctions. In the previous version of the program this procedure was restricted to the non-relativistic framework only. DiracGreensIntegralRadial[] - Evaluates the two-dimensional radial integrals with the wave- and Green's functions both in non-relativistic and relativistic frameworks. DiracAngularMatrixElement[] - Calculates the angular matrix elements for various irreducible tensor operators. The elimination of some redundant procedures. In particular, the previous version supported evaluation of the spherical Bessel functions, Wigner 3j symbols, Clebsch-Gordan coefficients and spherical harmonics functions. These tools are now superseded by in-built procedures of Mathematica. The development of a full featured interactive help system which follows the style of the Mathematica Help Pages. Extensive revision of the source code in order to correct a number of bugs and inconsistencies that have been identified during use of the previous version of Dirac. The DIRAC package is distributed as a compressed tar file from which the DIRAC root directory can be (re-)generated. The root directory contains the source code and help libraries, a "Readme" file, Dirac_Installation_Instructions, as well as the notebook DemonstrationNotebook.nb that includes a number of test cases to illustrate the use of the program. These test cases, which concern the theoretical analysis of wavefunctions and the fine-structure of hydrogen-like ions, has already been discussed in detail in Ref. [1] and are provided here in order to underline the continuity between the previous (Maple) and new (Mathematica) versions of the DIRAC program. Unusual features: Even though all basic features of the previous Maple version have been retained in as close to the original form as possible, some small syntax changes became necessary in the new version of DIRAC in order to follow Mathematica standards. First of all, these changes concern naming conventions for DIRAC's procedures. As was discussed in Ref. [1], previously rather long names were employed in which each word was separated by an underscore. For example, when running the Maple version of the program one had to call the procedure Dirac_Slater_radial() in order to evaluate the Slater integral. Such a naming convention however, cannot be used in the Mathematica framework where the underscore character is reserved to represent Blank, a built-in symbol. In the new version of DIRAC we therefore follow the Mathematica convention of delimiting each word in a procedure's name by capitalization. Evaluation of the Slater determinant can be accomplished now simply by entering DiracSlaterRadial[]. Besides procedure names, a new convention is introduced to represent fundamental physical constants. In this version of DIRAC the group of (preset) global variables has changed to resemble their conventional symbols, specifically α, a, e, m, c and ℏ, being the fine structure constant, Bohr radius, electron charge, electron mass, speed of light and the Planck constant respectively. If the numerical evaluator N is wrapped around any of these constants, their numerical values are returned. Running time: Although the program replies promptly upon most requests, the running time also depends on the particular task. For example, computation of (radial) matrix elements involving components of relativistic wavefunctions might require a few seconds of a runtime. A number of test calculations performed regarding this and other tasks clearly indicate that the new version of Dirac requires up to 90% less evaluation time compared to its predecessor. References:A. Surzhykov, P. Koval, S. Fritzsche, Comput. Phys. Comm. 165 (2005) 139. H. Ogawa, et al., Phys. Rev. A 75 (2007) 1. A.V. Maiorova, et al., J. Phys. B: At. Mol. Opt. Phys. 42 (2009) 125003. L. Borowska, A. Surzhykov, Th. Stöhlker, S. Fritzsche, Phys. Rev. A 74 (2006) 062516. T. Radtke, S. Fritzsche, A. Surzhykov, Phys. Rev. A 74 (2006) 032709. A. Pálffy, Z. Harman, A. Surzhykov, U.D. Jentschura, Phys. Rev. A 75 (2007) 012712.
Analysis of Conditional Versus Unconditional Most Favored Nation Status,
1986-07-01
D.c.: American Enterprise Institute, forthcoming). On agricultural trade, see also D.G. Johnson, K. Hemmi and P. Lardinois, Agricultural Policy and...Trade (New York: NY University Press, 1985). For a critical review of agricultural policy in the European Community and its damaging effects on world...prices and markets, see P.M. Schmitz, "The International Repercussions of EC Agricultural Policy ," Intereconomics, 20, November/December 1985, pp. 261-267
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Price, Douglas
This booklet summarizes the proceedings of a forum--whose audience consisted of over 200 library and information managers, congressional staff members, and persons from the information industry and academic community--on the condition of federal information policies as they relate to the Congressional initiative. Among issues discussed are: (1)…
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Higgins, Adrian T.
This Federal Library and Information Center Committee (FLICC) Forum on Federal Information Policies focused on the impact of OMB (Office of Management and Budget) Circular A-130, which revises administration policy on information dissemination and the use of automated systems by federal agencies. Introductory remarks by James P. Riley, Kent A.…
Straight A's: Public Education Policy and Progress. Volume 12, Number 5
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Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House Committee Passes Education Reform Legislation: On Party-Line Votes, Committee Passes Accountability and Teacher…
Straight A's: Public Education Policy and Progress. Volume 8, Number 13
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Amos, Jason, Ed.
2008-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Appropriations Process Underway...Sort Of: Senate Appropriations Committee Passes Education Funding Bill While House…
Straight A's: Public Education Policy and Progress. Volume 6, Number 6
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Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Senate Approves Budget Plan: Amendment Adds Funds for Education Programs; (2) The Hits Keep Coming: House…
Straight A's: Public Education Policy and Progress. Volume 4, Number 6
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Amos, Jason, Ed.
2004-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Improving the Lives of Our High School Students: Alliance and Scholastic Co-Host Invitational High School Literacy…
Straight A's: Public Education Policy and Progress. Volume 8, Number 18
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Amos, Jason, Ed.
2008-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Congress Punts Education Funding Decision to 2009: Education and Other Domestic Priorities Frozen While Defense and Homeland…
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Straight A's: Public Education Policy and Progress. Volume 12, Number 17
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Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) To Be Continued: Congress Enacts Temporary Funding Mechanism to Keep Government Operating Until March 2013; Bill…
Straight A's: Public Education Policy and Progress. Volume 10, Number 11
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Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Turnaround or Full Speed Ahead?: House Committee Raises Concerns with School Turnaround Models Included in Obama…
Straight A's: Public Education Policy and Progress. Volume 7, Number 20
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Amos, Jason, Ed.
2007-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Senate Begins Debate on Education Spending Bill: White House Threatens Presidential Veto; (2) NCLB Timetable in…
Straight A's: Public Education Policy and Progress. Volume 8, Number 1
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Amos, Jason, Ed.
2008-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) NCLB Anniversary Prompts Renewed Calls for Reauthorization: Growth Models, High School Reform Emerge as Points of…
Honor the Past. Then Get Over It
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Swenson, Sue
2015-01-01
This speech was presented at a conference, the National Goals in Research, Policy, and Practice, held in Washington, DC, on August 6-7, 2015. The conference was a working meeting to summarize the current state of knowledge and identify a platform of national goals in research, practice, and policy in intellectual and developmental disabilities.…
Straight A's: Public Education Policy and Progress. Volume 7, Number 13
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Amos, Jason, Ed.
2007-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "A Plan for Success": Alliance Joins Nine National Organizations Representing Communities of Color in Historic Campaign for…
Straight A's: Public Education Policy and Progress. Volume 11, Number 17
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Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Alliance President Bob Wise Named to "Nonprofit Times'" Top 50 Most Influential Executives; (2) Sound and…
Straight A's: Public Education Policy and Progress. Volume 11, Number 15
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Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Getting Down to Business: Obama Hosts Education Roundtable with Nation's Business Leaders; (2) "Diplomas Mean…
Straight A's: Public Education Policy and Progress. Volume 5, Number 8
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Amos, Jason, Ed.
2005-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) New Report Offers Recommendations for Defining and Improving Graduation Rates: Calls for New Federal Funding Stream…
Straight A's: Public Education Policy and Progress. Volume 11, Number 9
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Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "Engineering Solutions to the National Crisis in Literacy": Alliance Brief Calls for Alignment Between…
Straight A's: Public Education Policy and Progress. Volume 12, Number 2
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Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Waiving Away High School Graduation Rate Accountability?: State NCLB Waiver Proposals Threaten to Weaken…
Straight A's: Public Education Policy and Progress. Volume 9, Number 19
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Alliance for Excellent Education, 2009
2009-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Stimulus Shell Game?: U.S. Department of Education's Inspector General Warns that Some States are Using Education…
Straight A's: Public Education Policy and Progress. Volume 6, Number 9
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Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "Leaving Boys Behind": New Report Finds Higher High School Graduation Rates for Females Across Every Racial…
Passenger Airlift Policies and Procedures Review. Volume 2.
1986-04-02
4D- A191 921 PISSEMOER AIRLIFT POLICIES AND PROCEDURES REVIEW VOLUME I/ 2(U) DEPARTMENT OF DEFENSE NASHNTON DC 62 MR #6 ULASSIEDFO1/6 N mhhhhhhhhhhmhl...depoastlosregl at I. .ieWd crash rtowne support of c-pein for aoing of stain ned lUne 2. Aircraft clearace factlitim. 10. " Sweping 3. Emergency
Preparing School Principals: A National Perspective on Policy and Program Innovations
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Hale, Elizabeth L.; Moorman, Hunter N.
2003-01-01
This report is published jointly by the Institute for Educational Leadership (Washington, DC) and the Illinois Education Research Council (IERC) as part of its Issues in Education series. The report focuses on two areas in which state policies and programs can have particular influence on school leadership: licensure, certification and…
Straight A's: Public Education Policy and Progress. Volume 11, Number 23
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Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) All I Want for Christmas: Congress Continues Deliberations on Fiscal Year 2012 Funding; Education Programs Potentially Facing…
Straight A's: Public Education Policy and Progress. Volume 9, Number 8
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Alliance for Excellent Education, 2009
2009-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Duncan Makes $44 Billion in Education Funding Available to States: Education Secretary Says Stimulus Money Must Go…
Straight A's: Public Education Policy and Progress. Volume 12, Number 19
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Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Education Debate: Obama and Romney Highlight Education Positions During First Presidential Debate; (2)…
Straight A's: Public Education Policy and Progress. Volume 11, Number 5
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Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Waiting Game Continues for FY 2011 Appropriations: Short-Term Spending Measure Averts Government Shutdown, Postpones…
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Straight A's: Public Education Policy and Progress. Volume 12, Number 15
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Alliance for Excellent Education, 2012
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House Appropriations Subcommittee Sharpens Budget Knife: Subcommittee's Bill Would Cut Education Programs by $1.1…
Straight A's: Public Education Policy and Progress. Volume 10, Number 18
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Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) From Gathering Storm to Category 5: Five Years After "Rising Above the Gathering Storm", U.S. Competitive…
Straight A's: Public Education Policy and Progress. Volume 10, Number 19
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Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) To Be Continued: Congress Passes Continuing Resolution to Keep Government Running, Buys Time to Pass Appropriations…
Straight A's: Public Education Policy and Progress. Volume 10, Number 3
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Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Obama Releases FY 2011 Budget: Obama's 7.5 Percent Increase for Education Programs Signals Commitment to Reauthorize…
Straight A's: Public Education Policy and Progress. Volume 6, Number 16
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Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Paying Double: United States Spends Over $1.4 Billion Annually on Remedial Education for Recent High School…
Straight A's: Public Education Policy and Progress. Volume 10, Number 1
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Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Education Appropriations Bill Signed into Law: U.S. Department of Education to Receive $1 Billion Increase in…
Straight A's: Public Education Policy and Progress. Volume 11, Number 1
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Alliance for Excellent Education, 2011
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Congress Delays Education Funding Decisions: Short-Term Measure Funds Government Into March, Ensures Greater Role for…
Straight A's: Public Education Policy and Progress. Volume 6, Number 11
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Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House Passes Budget Resolution: Prospects of a Compromise with the Senate Appear Dim; (2) Older Students' Science…
Straight A's: Public Education Policy and Progress. Volume 9, Number 16
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Alliance for Excellent Education, 2009
2009-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Senate Committee Passes Education Appropriations Bill; (2) Upside Down: New Alliance Brief Says Federal Education…
Straight A's: Public Education Policy and Progress. Volume 10, Number 10
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Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) ESEA [Elementary and Secondary Education Act] Reauthorization Shifts to Middle and High Schools: Senate HELP [Health,…
Straight A's: Public Education Policy and Progress. Volume 12, Number 16
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Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Digital Learning Meets Digital Democracy: Alliance for Excellent Education Accepting Public Feedback on New Digital Learning…
76 FR 79110 - Service Rules and Policies for the Broadcasting Satellite Service (BSS)
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Straight A's: Public Education Policy and Progress. Volume 9, Number 18
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Alliance for Excellent Education, 2009
2009-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1)"Quality Education Too Long Delayed Is Education Denied": In Campaign-Like Speech, Secretary Duncan Turns Up…
Straight A's: Public Education Policy and Progress. Volume 11, Number 7
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Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) FY 2011 Spending Discussions Continue: Pressure Mounts as April 8 Deadline Approaches and Possibility of Government Shutdown…
Straight A's: Public Education Policy and Progress. Volume 9, Number 13
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Alliance for Excellent Education, 2009
2009-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "Standards Movement Gaining Steam": Duncan Announces Plan to Commit Up to $350 Million for Assessments…
Straight A's: Public Education Policy and Progress. Volume 5, Number 12
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Amos, Jason, Ed.
2005-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House Committee Approves Education Funding Bill: Striving Readers Program Would Receive $5 Million Increase; (2) Role…
Straight A's: Public Education Policy and Progress. Volume 4, Number 9
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Amos, Jason, Ed.
2004-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Graduation for All, A Right and a Responsibility: National Campaign to Focus on Increasing High School Graduation…
Straight A's: Public Education Policy and Progress. Volume 5, Number 10
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Alliance for Excellent Education, 2005
2005-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) How's the Water?: Congressional Hearing on High School Reform Recognizes the Crisis, but Urges Caution Before…
Straight A's: Public Education Policy and Progress. Volume 7, Number 21
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Amos, Jason, Ed.
2007-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Focus on Dropout Factories: Associated Press Article Spotlights Low-Performing High Schools, Draws Criticism from Many School…
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Eckalbar, John C.
2002-01-01
Illustrates how principles and intermediate microeconomic students can gain an understanding for strategic price setting by playing a relatively large oligopoly game. Explains that the game extends to a continuous price space and outlines appropriate applications. Offers the Mathematica code to instructors so that the assumptions of the game can…
Estimating the Overdiagnosis Fraction in Cancer Screening | Division of Cancer Prevention
By Stuart G. Baker, 2017 Introduction This software supports the mathematical investigation into estimating the fraction of cancers detected on screening that are overdiagnosed. References Baker SG and Prorok PC. Estimating the overdiagnosis fraction in cancer screening. Requirement Mathematica Version 11 or later. |
Fourier Series and Elliptic Functions
ERIC Educational Resources Information Center
Fay, Temple H.
2003-01-01
Non-linear second-order differential equations whose solutions are the elliptic functions "sn"("t, k"), "cn"("t, k") and "dn"("t, k") are investigated. Using "Mathematica", high precision numerical solutions are generated. From these data, Fourier coefficients are determined yielding approximate formulas for these non-elementary functions that are…
Does Your Graphing Software Real-ly Work?
ERIC Educational Resources Information Center
Marchand, R. J.; McDevitt, T. J.; Bosse, Michael J.; Nandakumar, N. R.
2007-01-01
Many popular mathematical software products including Maple, Mathematica, Derive, Mathcad, Matlab, and some of the TI calculators produce incorrect graphs because they use complex arithmetic instead of "real" arithmetic. This article expounds on this issue, provides possible remedies for instructors to share with their students, and demonstrates…
NASA Astrophysics Data System (ADS)
Nazarov, Anton
2012-11-01
In this paper we present Affine.m-a program for computations in representation theory of finite-dimensional and affine Lie algebras and describe implemented algorithms. The algorithms are based on the properties of weights and Weyl symmetry. Computation of weight multiplicities in irreducible and Verma modules, branching of representations and tensor product decomposition are the most important problems for us. These problems have numerous applications in physics and we provide some examples of these applications. The program is implemented in the popular computer algebra system Mathematica and works with finite-dimensional and affine Lie algebras. Catalogue identifier: AENA_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AENB_v1_0.html Program obtainable from: CPC Program Library, Queen’s University, Belfast, UK Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 24 844 No. of bytes in distributed program, including test data, etc.: 1 045 908 Distribution format: tar.gz Programming language: Mathematica. Computer: i386-i686, x86_64. Operating system: Linux, Windows, Mac OS, Solaris. RAM: 5-500 Mb Classification: 4.2, 5. Nature of problem: Representation theory of finite-dimensional Lie algebras has many applications in different branches of physics, including elementary particle physics, molecular physics, nuclear physics. Representations of affine Lie algebras appear in string theories and two-dimensional conformal field theory used for the description of critical phenomena in two-dimensional systems. Also Lie symmetries play a major role in a study of quantum integrable systems. Solution method: We work with weights and roots of finite-dimensional and affine Lie algebras and use Weyl symmetry extensively. Central problems which are the computations of weight multiplicities, branching and fusion coefficients are solved using one general recurrent algorithm based on generalization of Weyl character formula. We also offer alternative implementation based on the Freudenthal multiplicity formula which can be faster in some cases. Restrictions: Computational complexity grows fast with the rank of an algebra, so computations for algebras of ranks greater than 8 are not practical. Unusual features: We offer the possibility of using a traditional mathematical notation for the objects in representation theory of Lie algebras in computations if Affine.m is used in the Mathematica notebook interface. Running time: From seconds to days depending on the rank of the algebra and the complexity of the representation.
ERIC Educational Resources Information Center
Upjohn (W.E.) Inst. for Employment Research, Kalamazoo, MI.
This volume contains four papers presented at a 1982 conference sponsored by the National Council on Employment Policy. It begins with a brief policy statement warning that labor force and productivity data systems face deterioration because of budget cuts that have forced a decline in the quality and quantity of the published information and…
ERIC Educational Resources Information Center
Brooks, Douglas C.
This booklet summarizes the proceedings of a forum on the state of federal information policies as they relate to aiding American competitiveness in industrial and information markets at home and abroad. Speakers whose remarks are summarized include Librarian of Congress James H. Billington; New York Congressman Sherwood Boehlert, the keynote…
Parallel Curves: Getting There and Getting Back
ERIC Educational Resources Information Center
Agnew, A. F.; Mathews, J. H.
2006-01-01
This note takes up the issue of parallel curves while illustrating the utility of "Mathematica" in computations. This work complements results presented earlier. The presented treatment, considering the more general case of parametric curves, provides an analysis of the appearance of cusp singularities, and emphasizes the utility of symbolic…
ERIC Educational Resources Information Center
Fuchs, Karl Josef; Simonovits, Reinhard; Thaller, Bernd
2008-01-01
This paper describes a high school project where the mathematics teaching and learning software M@th Desktop (MD) based on the Computer Algebra System Mathematica was used for symbolical and numerical calculations and for visualisation. The mathematics teaching and learning software M@th Desktop 2.0 (MD) contains the modules Basics including tools…
Computerized Proof Techniques for Undergraduates
ERIC Educational Resources Information Center
Smith, Christopher J.; Tefera, Akalu; Zeleke, Aklilu
2012-01-01
The use of computer algebra systems such as Maple and Mathematica is becoming increasingly important and widespread in mathematics learning, teaching and research. In this article, we present computerized proof techniques of Gosper, Wilf-Zeilberger and Zeilberger that can be used for enhancing the teaching and learning of topics in discrete…
Student's Lab Assignments in PDE Course with MAPLE.
ERIC Educational Resources Information Center
Ponidi, B. Alhadi
Computer-aided software has been used intensively in many mathematics courses, especially in computational subjects, to solve initial value and boundary value problems in Partial Differential Equations (PDE). Many software packages were used in student lab assignments such as FORTRAN, PASCAL, MATLAB, MATHEMATICA, and MAPLE in order to accelerate…
Combining Interactive Thermodynamics Simulations with Screencasts and Conceptests
ERIC Educational Resources Information Center
Falconer, John L.
2016-01-01
More than 40 interactive "Mathematica" simulations were prepared for chemical engineering thermodynamics, screencasts were prepared that explain how to use each simulation, and more than 100 ConcepTests were prepared that utilize the simulations. They are located on www.LearnChemE.com. The purposes of these simulations are to clarify…
Pedagogical View of Model Metabolic Cycles
ERIC Educational Resources Information Center
García-Herrero, Victor; Sillero, Antonio
2015-01-01
The main purpose of this study was to present a simplified view of model metabolic cycles. Although the models have been elaborated with the "Mathematica" Program, and using a system of differential equations, the main conclusions were presented in a rather intuitive way, easily understandable by students of general courses of…
Discrete Mathematics Course Supported by CAS MATHEMATICA
ERIC Educational Resources Information Center
Ivanov, O. A.; Ivanova, V. V.; Saltan, A. A.
2017-01-01
In this paper, we discuss examples of assignments for a course in discrete mathematics for undergraduate students majoring in business informatics. We consider several problems with computer-based solutions and discuss general strategies for using computers in teaching mathematics and its applications. In order to evaluate the effectiveness of our…
Parameter Estimates in Differential Equation Models for Population Growth
ERIC Educational Resources Information Center
Winkel, Brian J.
2011-01-01
We estimate the parameters present in several differential equation models of population growth, specifically logistic growth models and two-species competition models. We discuss student-evolved strategies and offer "Mathematica" code for a gradient search approach. We use historical (1930s) data from microbial studies of the Russian biologist,…
Titration Calculations with Computer Algebra Software
ERIC Educational Resources Information Center
Lachance, Russ; Biaglow, Andrew
2012-01-01
This article examines the symbolic algebraic solution of the titration equations for a diprotic acid, as obtained using "Mathematica," "Maple," and "Mathcad." The equilibrium and conservation equations are solved symbolically by the programs to eliminate the approximations that normally would be performed by the student. Of the three programs,…
The Invar tensor package: Differential invariants of Riemann
NASA Astrophysics Data System (ADS)
Martín-García, J. M.; Yllanes, D.; Portugal, R.
2008-10-01
The long standing problem of the relations among the scalar invariants of the Riemann tensor is computationally solved for all 6ṡ10 objects with up to 12 derivatives of the metric. This covers cases ranging from products of up to 6 undifferentiated Riemann tensors to cases with up to 10 covariant derivatives of a single Riemann. We extend our computer algebra system Invar to produce within seconds a canonical form for any of those objects in terms of a basis. The process is as follows: (1) an invariant is converted in real time into a canonical form with respect to the permutation symmetries of the Riemann tensor; (2) Invar reads a database of more than 6ṡ10 relations and applies those coming from the cyclic symmetry of the Riemann tensor; (3) then applies the relations coming from the Bianchi identity, (4) the relations coming from commutations of covariant derivatives, (5) the dimensionally-dependent identities for dimension 4, and finally (6) simplifies invariants that can be expressed as product of dual invariants. Invar runs on top of the tensor computer algebra systems xTensor (for Mathematica) and Canon (for Maple). Program summaryProgram title:Invar Tensor Package v2.0 Catalogue identifier:ADZK_v2_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADZK_v2_0.html Program obtainable from:CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions:Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.:3 243 249 No. of bytes in distributed program, including test data, etc.:939 Distribution format:tar.gz Programming language:Mathematica and Maple Computer:Any computer running Mathematica versions 5.0 to 6.0 or Maple versions 9 and 11 Operating system:Linux, Unix, Windows XP, MacOS RAM:100 Mb Word size:64 or 32 bits Supplementary material:The new database of relations is much larger than that for the previous version and therefore has not been included in the distribution. To obtain the Mathematica and Maple database files click on this link. Classification:1.5, 5 Does the new version supersede the previous version?:Yes. The previous version (1.0) only handled algebraic invariants. The current version (2.0) has been extended to cover differential invariants as well. Nature of problem:Manipulation and simplification of scalar polynomial expressions formed from the Riemann tensor and its covariant derivatives. Solution method:Algorithms of computational group theory to simplify expressions with tensors that obey permutation symmetries. Tables of syzygies of the scalar invariants of the Riemann tensor. Reasons for new version:With this new version, the user can manipulate differential invariants of the Riemann tensor. Differential invariants are required in many physical problems in classical and quantum gravity. Summary of revisions:The database of syzygies has been expanded by a factor of 30. New commands were added in order to deal with the enlarged database and to manipulate the covariant derivative. Restrictions:The present version only handles scalars, and not expressions with free indices. Additional comments:The distribution file for this program is over 53 Mbytes and therefore is not delivered directly when download or Email is requested. Instead a html file giving details of how the program can be obtained is sent. Running time:One second to fully reduce any monomial of the Riemann tensor up to degree 7 or order 10 in terms of independent invariants. The Mathematica notebook included in the distribution takes approximately 5 minutes to run.
Straight A's: Public Education Policy and Progress. Volume 4, Number 19
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2004-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Four More Years: Bush to Focus on High Schools During Second Term; (2) Education Funding Still in Limbo: Congress to…
Straight A's: Public Education Policy and Progress. Volume 11, Number 22
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Deficit Committee's Failure Triggers Automatic Spending Cuts: Education Programs Could Face $3.5 Billion in Cuts; (2)…
Straight A's: Public Education Policy and Progress. Volume 5, Number 9
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2005-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Americans Speak on Education: Public Credits Education System for U.S. Success in the World, but Worries About Future…
Straight A's: Public Education Policy and Progress. Volume 10, Number 21
ERIC Educational Resources Information Center
Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Divided We Stall?: Prospects for Education Reform Unclear After Republicans Take Control in the House of Representatives, Gain…
Straight A's: Public Education Policy and Progress. Volume 8, Number 19
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2008-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "A Tipping Point in Education": Report Finds Educational Attainment of Younger Generations Has Not Increased; (2) Building a…
Straight A's: Public Education Policy and Progress. Volume 11, Number 8
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Last Cut Is the Deepest: Final FY 2011 Spending Agreement Cuts Spending by Nearly $40 Billion, Includes More Cuts for Education…
Straight A's: Public Education Policy and Progress. Volume 12, Number 9
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) You Take the High Road and I'll Take the Low Road: As Appropriations Process Begins, Different Spending Approaches Likely to…
ERIC Educational Resources Information Center
Soil Conservation Service (USDA), Washington, DC.
The purpose of this paper is to highlight some of the most significant trends likely to affect agricultural resource conservation activities, to discuss their significance to policy development and program management and implementation, and to make policy and program recommendations. In November 1986, 25 representatives from academia, farming…
Straight A's: Public Education Policy and Progress. Volume 6, Number 2
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) State of American Business: U.S. Chamber of Commerce Says U.S. Could Face a "Severe Worker Shortage" Unless…
Straight A's: Public Education Policy and Progress. Volume 11, Number 13
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Wave Goodbye to Waivers?: Key House Republicans Challenge Duncan's Plan to Grant Waivers to NCLB Requirements; (2)…
Straight A's: Public Education Policy and Progress. Volume 12, Number 7
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Problems Down the Road: House Passes Congressional Budget Resolutions, Sets Overall Spending Cap at $19 Billion Below Senate;…
Straight A's: Public Education Policy and Progress. Volume 11, Number 4
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House Passes FY 2011 Spending Bill: Bill Cuts U.S. Department of Education Funding by $5 Billion; Title I, School…
Straight A's: Public Education Policy and Progress. Volume 11, Number 19
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) U.S. Senators Harkin and Enzi Release Draft Language to Revise NCLB: Senate Committee to Consider Draft Containing…
Straight A's: Public Education Policy and Progress. Volume 7, Number 8
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2007-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "The Gap Defined": ACT Report Cites Poor State Standards and Assessments as Possible Reason for Gap Between Postsecondary…
Straight A's: Public Education Policy and Progress. Volume 6, Number 8
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House Leaders Unable to Come to Agreement on a Budget Plan: Interparty Fights Postpone Consideration of the Budget Resolution;…
Straight A's: Public Education Policy and Progress. Volume 10, Number 2
ERIC Educational Resources Information Center
Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) "The High Cost of Low Educational Performance": New OECD Report Finds that 25 Point Increase in PISA Scores…
Straight A's: Public Education Policy and Progress. Volume 6, Number 23
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2006-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) See You Next Year: Congress Wraps Up for 2006, Delays Education Funding Decisions to 2007; (2) "Healthier and Wealthier":…
Straight A's: Public Education Policy and Progress. Volume 11, Number 21
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Nation's Report Card Reveals Modest Increases in Math and Reading: Report Shows One-Quarter of Eighth Graders Reading…
Straight A's: Public Education Policy and Progress. Volume 8, Number 21
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2008-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Yes He Will?: Campaign Details Suggest That Obama Presidency Will Make Education Reform a High Priority; (2) A New Way Forward…
Straight A's: Public Education Policy and Progress. Volume 8, Number 6
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2008-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) House and Senate Pass Budget Blueprints: Plans Would Increase Spending by More than $20 Billion Over the President's…
Straight A's: Public Education Policy and Progress. Volume 9, Number 15
ERIC Educational Resources Information Center
Alliance for Excellent Education, 2009
2009-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Race to the Top: Obama, Duncan Outline Requirements of $4.35 Billion Program; (2) "Preparing the Workers of…
Straight A's: Public Education Policy and Progress. Volume 11, Number 6
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Obama Sets Timeline for NCLB Revamp: President Calls on Congress to Send Him an Education Reform Bill "Before…
Shaping the Future of American Youth: Youth Policy in the 21st Century.
ERIC Educational Resources Information Center
Lewis, Anne, Ed.
This volume contains 14 essays and commentaries on youth development penned by educators, policymakers, and leaders of youth development organizations. The papers, written to commemorate 10 years of American Youth Policy Forum's service, were originally presented at a forum in Washington, D.C., in January 2003. Following are the papers: "Genesis…
Straight A's: Public Education Policy and Progress. Volume 12, Number 21
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Four More Years: Obama Wins Re-election, Plans to Continue Education Reforms Through Race to the Top, NCLB Waivers;…
Straight A's: Public Education Policy and Progress. Volume 11, Number 11
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2011-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) A Time for Deeper Learning: New Alliance Brief Says Deeper Learning Is Imperative for All Students; (2) Setting New…
Straight A's: Public Education Policy and Progress. Volume 9, Number 23
ERIC Educational Resources Information Center
Alliance for Excellent Education, 2009
2009-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Two Omnibus Bills and a Partridge in a Pear Tree?: Final Vote on Education Appropriations Bill Could Come Before…
Federal Register 2010, 2011, 2012, 2013, 2014
2010-09-30
... Policy and Evaluation, Evaluation Division Survey Question Bank. OMB Control Number: 1405-0158. Type of... Cultural Affairs, Office of Policy and Evaluation, Evaluation Division (ECA/P/ V). Form Number: New surveys...-ROM submissions): ECA/P/V, SA-5, 5th Floor, Department of State, Washington, DC 20522-0505. Fax: 202...
76 FR 22945 - Notice of Open Public Hearing
Federal Register 2010, 2011, 2012, 2013, 2014
2011-04-25
... in Washington, DC on May 4, 2011, to address ``China's Intellectual Property Rights and Indigenous... examine China's policies regarding intellectual property rights and indigenous innovation, with a...
NASA Astrophysics Data System (ADS)
Miszczak, Jarosław Adam
2013-01-01
The presented package for the Mathematica computing system allows the harnessing of quantum random number generators (QRNG) for investigating the statistical properties of quantum states. The described package implements a number of functions for generating random states. The new version of the package adds the ability to use the on-line quantum random number generator service and implements new functions for retrieving lists of random numbers. Thanks to the introduced improvements, the new version provides faster access to high-quality sources of random numbers and can be used in simulations requiring large amount of random data. New version program summaryProgram title: TRQS Catalogue identifier: AEKA_v2_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEKA_v2_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 18 134 No. of bytes in distributed program, including test data, etc.: 2 520 49 Distribution format: tar.gz Programming language: Mathematica, C. Computer: Any supporting Mathematica in version 7 or higher. Operating system: Any platform supporting Mathematica; tested with GNU/Linux (32 and 64 bit). RAM: Case-dependent Supplementary material: Fig. 1 mentioned below can be downloaded. Classification: 4.15. External routines: Quantis software library (http://www.idquantique.com/support/quantis-trng.html) Catalogue identifier of previous version: AEKA_v1_0 Journal reference of previous version: Comput. Phys. Comm. 183(2012)118 Does the new version supersede the previous version?: Yes Nature of problem: Generation of random density matrices and utilization of high-quality random numbers for the purpose of computer simulation. Solution method: Use of a physical quantum random number generator and an on-line service providing access to the source of true random numbers generated by quantum real number generator. Reasons for new version: Added support for the high-speed on-line quantum random number generator and improved methods for retrieving lists of random numbers. Summary of revisions: The presented version provides two signicant improvements. The first one is the ability to use the on-line Quantum Random Number Generation service developed by PicoQuant GmbH and the Nano-Optics groups at the Department of Physics of Humboldt University. The on-line service supported in the version 2.0 of the TRQS package provides faster access to true randomness sources constructed using the laws of quantum physics. The service is freely available at https://qrng.physik.hu-berlin.de/. The use of this service allows using the presented package with the need of a physical quantum random number generator. The second improvement introduced in this version is the ability to retrieve arrays of random data directly for the used source. This increases the speed of the random number generation, especially in the case of an on-line service, where it reduces the time necessary to establish the connection. Thanks to the speed improvement of the presented version, the package can now be used in simulations requiring larger amounts of random data. Moreover, the functions for generating random numbers provided by the current version of the package more closely follow the pattern of functions for generating pseudo- random numbers provided in Mathematica. Additional comments: Speed comparison: The implementation of the support for the QRNG on-line service provides a noticeable improvement in the speed of random number generation. For the samples of real numbers of size 101; 102,…,107 the times required to generate these samples using Quantis USB device and QRNG service are compared in Fig. 1. The presented results show that the use of the on-line service provides faster access to random numbers. One should note, however, that the speed gain can increase or decrease depending on the connection speed between the computer and the server providing random numbers. Running time: Depends on the used source of randomness and the amount of random data used in the experiment. References: [1] M. Wahl, M. Leifgen, M. Berlin, T. Röhlicke, H.-J. Rahn, O. Benson., An ultrafast quantum random number generator with provably bounded output bias based on photon arrival time measurements, Applied Physics Letters, Vol. 098, 171105 (2011). http://dx.doi.org/10.1063/1.3578456.
NASA Astrophysics Data System (ADS)
Azadegan, B.
2013-03-01
The presented Mathematica code is an efficient tool for simulation of planar channeling radiation spectra of relativistic electrons channeled along major crystallographic planes of a diamond-structure single crystal. The program is based on the quantum theory of channeling radiation which has been successfully applied to study planar channeling at electron energies between 10 and 100 MeV. Continuum potentials for different planes of diamond, silicon and germanium single crystals are calculated using the Doyle-Turner approximation to the atomic scattering factor and taking thermal vibrations of the crystal atoms into account. Numerical methods are applied to solve the one-dimensional Schrödinger equation. The code is designed to calculate the electron wave functions, transverse electron states in the planar continuum potential, transition energies, line widths of channeling radiation and depth dependencies of the population of quantum states. Finally the spectral distribution of spontaneously emitted channeling radiation is obtained. The simulation of radiation spectra considerably facilitates the interpretation of experimental data. Catalog identifier: AEOH_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEOH_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 446 No. of bytes in distributed program, including test data, etc.: 209805 Distribution format: tar.gz Programming language: Mathematica. Computer: Platforms on which Mathematica is available. Operating system: Operating systems on which Mathematica is available. RAM: 1 MB Classification: 7.10. Nature of problem: Planar channeling radiation is emitted by relativistic charged particles during traversing a single crystal in direction parallel to a crystallographic plane. Channeling is modeled as the motion of charged particles in a continuous planar potential which is formed by the spatially and thermally averaged action of the individual electrostatic potentials of the crystal atoms of the corresponding plane. Classically, the motion of channeled particles through the crystal resembles transverse oscillations being the source of radiation emission. For electrons of energy less than 100 MeV considered here, planar channeling has to be treated quantum mechanically by a one-dimensional Schrödinger equation for the transverse motion. Hence, this motion of the channeled electrons is restricted to a number of discrete (bound) channeling states in the planar continuum potential, and the emission of channeling radiation is caused by spontaneous electron transitions between these eigenstates. Due to relativistic and Doppler effects, the energy of the emitted photons directed into a narrow forward cone is typically shifted up by about three to five orders of magnitude. Consequently, the observed energy spectrum of channeling radiation is characterized by a number of radiation lines in the energy domain of hard X-rays. Channeling radiation may, therefore, be applied as an intense, tunable, quasi-monochromatic X-ray source. Solution method: The problem consists in finding the electron wave function for the planar continuum potential. Both the wave functions and corresponding energies of channeling states solve the Schrödinger equation of transverse electron motion. In the framework of the so-called many-beam formalism, solving the Schrödinger equation reduces to a eigenvector-eigenvalue problem of a Hermitian matrix. For that the program employs the mathematical tools allocated in the commercial computation software Mathematica. The electric field of the atomic planes in the crystal forces dipole oscillations of the channeled charged particles. In the quantum mechanical approach, the dipole approximation is also valid for spontaneous transitions between bound states. The transition strength for dedicated states depends on the magnitude of the corresponding dipole matrix element. The photon energy correlates with the particle energy, and the spectral width of radiation lines is a function of the life times of the channeling states. Running time: The program has been tested on a PC AMD Athlon X2 245 processor 2.9 GHz with 2 GB RAM. Depending on electron energy and crystal thickness, the running time of the program amounts to 5-10 min.
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10 CFR 1015.101 - Prescription of standards.
Code of Federal Regulations, 2010 CFR
2010-01-01
... (DOE) Office of Financial Policy, 1000 Independence Ave., SW., Washington, DC 20585. (b) Additional... separate regulations issued by Treasury. Rules governing the use of certain debt collection tools created...
40 CFR 35.2000 - Purpose and policy.
Code of Federal Regulations, 2011 CFR
2011-07-01
... municipalities in meeting enforceable requirements of the Clean Water Act, particularly, applicable National..., 1200 Pennsylvania Ave., NW., room 1115 ET, WH 547, Washington, DC 20460. In order to expedite...
40 CFR 35.2000 - Purpose and policy.
Code of Federal Regulations, 2010 CFR
2010-07-01
... municipalities in meeting enforceable requirements of the Clean Water Act, particularly, applicable National..., 1200 Pennsylvania Ave., NW., room 1115 ET, WH 547, Washington, DC 20460. In order to expedite...
ERIC Educational Resources Information Center
Congress of the U.S., Washington, DC. Senate Special Committee on Aging.
Flexible retirement policies have worked very well for four major United States corporations, accordinq to testimony of their executives during the second part of a U.S. Senate hearing on work after age 65, conducted in Washington, D.C., in May, 1980. Executives of Xerox, Polaroid, Bankers Life and Casualty, and Atlantic Richfield told the special…
2015 Review on the Extension of the AMedP-8(C) Methodology to New Agents, Materials, and Conditions
2016-06-01
Outside the United States (Washington, DC: DOD, November 2013). 6 4715.07 and 4715.08, deal with environmental remediation and restoration. DODI...May 2013), 2. 9 DODI 4715.08, Remediation of Environmental Contamination Outside the United States (Washington, DC: DOD, November 2013). 10 DODD... remediate damage, both in the United States and on overseas installations. Those policies largely extend U.S. legal requirements to DOD installations
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Special Libraries Association, New York, NY.
These conference proceedings address the key issues relating to the National Information Infrastructure, including social policy, cultural issues, government policy, and technological applications. The goal is to provide the knowledge and resources needed to conceptualize and think clearly about this topic. Proceedings include: "Opening…
ERIC Educational Resources Information Center
Association for Education in Journalism and Mass Communication.
The Communication Technology and Policy section of the proceedings contains the following 6 selected papers: "Interactivity as a Cognitive Process" (Mark Tremayne and Sharon Dunwoody); "Breaking Up News--An Investment in the Future? Correlations among Hypertext Comfort, User Satisfaction and Perceived Credibility" (Stephanie…
USSR Report, Science and Technology Policy.
1986-02-19
represent the policies, views or attitudes of the U.S. Government,, PROCUREMENT OF PUBLICATIONS JPRS publications may be ordered from the National...Washington, D.C 20402. Correspondence pertaining to matters other than procurement may be addressed to Joint Publications Research Service, 1000 North...which were busy with minor, current problems of production and had relaxed the search for promising directions, which guarantees progress of the
Straight A's: Public Education Policy and Progress. Volume 12, Number 8
ERIC Educational Resources Information Center
Amos, Jason, Ed.
2012-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Tax Returns: On Tax Day 2012, a 90 Percent High School Graduation Rate Would Yield $1.8 Billion Annually in Additional Tax…
The Global Positioning System: Assessing National Policies,
1995-01-01
WASSEM • MONICA PINTO CRITICAL TECHNOLOGIES INSTITUTE RAND The research described in this report was supported by RAND’s Critical...MONICA PINTO Prepared for the Executive Office of the President Office of Science and Technology Policy CRITICAL TECHNOLOGIES INSTITUTE RAND...National Research Council Committee on the Future of the Global Positioning System, Washington, D.C., July 28-30,1994. Barbier, Jacques , and Thierry
Straight A's: Public Education Policy and Progress. Volume 10, Number 23
ERIC Educational Resources Information Center
Alliance for Excellent Education, 2010
2010-01-01
"Straight A's: Public Education Policy and Progress" is a biweekly newsletter that focuses on education news and events both in Washington, DC and around the country. The following articles are included in this issue: (1) Getting Back to Average: American Fifteen-Year-Olds Rank 14th in Reading, 17th in Science, and 25th in Mathematics,…
Education Reformer: Robert J. Marzano. Models for Education Reform, Part 1
ERIC Educational Resources Information Center
Dessoff, Alan
2012-01-01
Frederick M. Hess, director of education policy studies at the American Enterprise Institute, a public policy think tank in Washington, D.C., and Linda Darling-Hammond, a professor of education at Stanford University, wrote in "How to Rescue Education Reform" in The New York Times on December 5 that the federal government can and should play a…
ERIC Educational Resources Information Center
National Hispanic Leadership Conference, Washington, DC.
This document presents the 1988 National Hispanic Leadership Conference's agenda on the following major issues: (1) civil rights; (2) corporate and philanthropic responsibility; (3) criminal justice; (4) culture and language policy; (5) economic development policy; (6) education; (7) employment and economic security; (8) health and mental health;…
48 CFR 1552.242-70 - Indirect costs.
Code of Federal Regulations, 2011 CFR
2011-10-01
... Protection Agency, Chief, Cost Policy and Rate Negotiation Branch (3804F), Cost Advisory and Financial Analysis Division, Washington, DC 20460. Where EPA is not the cognizant agency, the final rate proposal...
48 CFR 1552.242-70 - Indirect costs.
Code of Federal Regulations, 2010 CFR
2010-10-01
... Protection Agency, Chief, Cost Policy and Rate Negotiation Branch (3804F), Cost Advisory and Financial Analysis Division, Washington, DC 20460. Where EPA is not the cognizant agency, the final rate proposal...
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DOE Office of Scientific and Technical Information (OSTI.GOV)
Yorkey, T.J.
This note describes how to get POSTSCRIPT files into T{sub E}X documents on a Sun computer using psifg. Several applications generating POSTSCRIPT files are used as examples. These applications are: Adobe Illustrator, Mathematica, View, Cricket Graph and MacDraw, and a scanned image. I assume the reader knows nothing about POSTSCRIPT, and does not want to learn anything about it.
Value-Added Models for the Pittsburgh Public Schools
ERIC Educational Resources Information Center
Johnson, Matthew; Lipscomb, Stephen; Gill, Brian; Booker, Kevin; Bruch, Julie
2012-01-01
At the request of Pittsburgh Public Schools (PPS) and the Pittsburgh Federation of Teachers (PFT), Mathematica has developed value-added models (VAMs) that aim to estimate the contributions of individual teachers, teams of teachers, and schools to the achievement growth of their students. The authors' work in estimating value-added in Pittsburgh…
Some Unexpected Results Using Computer Algebra Systems.
ERIC Educational Resources Information Center
Alonso, Felix; Garcia, Alfonsa; Garcia, Francisco; Hoya, Sara; Rodriguez, Gerardo; de la Villa, Agustin
2001-01-01
Shows how teachers can often use unexpected outputs from Computer Algebra Systems (CAS) to reinforce concepts and to show students the importance of thinking about how they use the software and reflecting on their results. Presents different examples where DERIVE, MAPLE, or Mathematica does not work as expected and suggests how to use them as a…
Software for the Application of Discrete Latent Structure Models to Item Response Data.
ERIC Educational Resources Information Center
Haertel, Edward H.
These FORTRAN programs and MATHEMATICA routines were developed in the course of a research project titled "Achievement and Assessment in School Science: Modeling and Mapping Ability and Performance." Their use is described in other publications from that project, including "Latent Traits or Latent States? The Role of Discrete Models…
Applications of the Peng-Robinson Equation of State Using Mathematica
ERIC Educational Resources Information Center
Binous, Housam
2008-01-01
A single equation of state (EOS) such as the Peng-Robinson EOS can accurately describe both the liquid and vapor phase. We present several applications of this equation of state including adiabatic flash calculation, determination of the solubility of methanol in natural gas, and the calculation of high-pressure chemical equilibrium. The problems…
The Mathlet Toolkit: Creating Dynamic Applets for Differential Equations and Dynamical Systems
ERIC Educational Resources Information Center
Decker, Robert
2011-01-01
Dynamic/interactive graphing applets can be used to supplement standard computer algebra systems such as Maple, Mathematica, Derive, or TI calculators, in courses such as Calculus, Differential Equations, and Dynamical Systems. The addition of this type of software can lead to discovery learning, with students developing their own conjectures, and…
Developing a TI-92 Manual Generator Based on Computer Algebra Systems
ERIC Educational Resources Information Center
Jun, Youngcook
2004-01-01
The electronic medium suitable for mathematics learning and teaching is often designed with a notebook interface provided in a computer algebra system. Such a notebook interface facilitates a workspace for mathematical activities along with an online help system. In this paper, the proposed feature is implemented in the Mathematica's notebook…
Advanced Chemistry Collection, 2nd Edition
NASA Astrophysics Data System (ADS)
2001-11-01
Software requirements are given in Table 3. Some programs have additional special requirements. Please see the individual program abstracts at JCE Online or the documentation included on the CD-ROM for more specific information. Table 3. General software requirements for the Advanced Chemistry Collection.
| Computer | System | Other Software(Required by one or more programs) |
| Mac OS compatible | System 7.6.1 or higher | Acrobat Reader (included)Mathcad; Mathematica;MacMolecule2; QuickTime 4; HyperCard Player |
| Windows Compatible | Windows 2000, 98, 95, NT 4 | Acrobat Reader (included)Mathcad; Mathematica;PCMolecule2; QuickTime 4;HyperChem; Excel |
Analysis of Classes of Superlinear Semipositone Problems with Nonlinear Boundary Conditions
NASA Astrophysics Data System (ADS)
Morris, Quinn A.
We study positive radial solutions for classes of steady state reaction diffusion problems on the exterior of a ball with both Dirichlet and nonlinear boundary conditions. We consider p-Laplacian problems (p > 1) with reaction terms which are superlinear at infinity and semipositone. In the case p = 2, using variational methods, we establish the existence of a solution, and via detailed analysis of the Green's function, we prove the positivity of the solution. In the case p ≠ 2, we again use variational methods to establish the existence of a solution, but the positivity of the solution is achieved via sophisticated a priori estimates. In the case p ≠ 2, the Green's function analysis is no longer available. Our results significantly enhance the literature on superlinear semipositone problems. Finally, we provide algorithms for the numerical generation of exact bifurcation curves for one-dimensional problems. In the autonomous case, we extend and analyze a quadrature method, and using nonlinear solvers in Mathematica, generate bifurcation curves. In the nonautonomous case, we employ shooting methods in Mathematica to generate bifurcation curves.
Introduction to Mathematica® for Physicists
NASA Astrophysics Data System (ADS)
Grozin, Andrey
We were taught at calculus classes that integration is an art, not a science (in contrast to differentiation—even a monkey can be trained to take derivatives). And we were taught wrong. The Risch algorithm (which is known for decades) allows one to find, in a finite number of steps, if a given indefinite integral can be taken in elementary functions, and if so, to calculate it. This algorithm has been constructed in works by an American mathematician Risch near 1970; many cases were not analyzed completely in these works and were later considered by other mathematicians. The algorithm is very complicated, and no computer algebra system implements it fully. Its implementation in Mathematica is rather complete, even with extensions to some classes of special functions, but details are not publicly known. Strictly speaking, it is not quite an algorithm, because it contains algorithmically unsolvable subproblems, such as finding out if a given combination of elementary functions vanishes. But in practice computer algebra systems are quite good in solving such problems. Here we shall consider, at a very elementary level, the main ideas of the Risch algorithm; see [16] for more details.
75 FR 41165 - Proposed Agency Information Collection
Federal Register 2010, 2011, 2012, 2013, 2014
2010-07-15
... Street, NW., Washington, DC 20503. And to Peter Whitman, Office of Policy and International Affairs, PI[email protected] . The collection instrument may be found at http://www.pi.energy.gov . SUPPLEMENTARY...
xPerm: fast index canonicalization for tensor computer algebra
NASA Astrophysics Data System (ADS)
Martín-García, José M.
2008-10-01
We present a very fast implementation of the Butler-Portugal algorithm for index canonicalization with respect to permutation symmetries. It is called xPerm, and has been written as a combination of a Mathematica package and a C subroutine. The latter performs the most demanding parts of the computations and can be linked from any other program or computer algebra system. We demonstrate with tests and timings the effectively polynomial performance of the Butler-Portugal algorithm with respect to the number of indices, though we also show a case in which it is exponential. Our implementation handles generic tensorial expressions with several dozen indices in hundredths of a second, or one hundred indices in a few seconds, clearly outperforming all other current canonicalizers. The code has been already under intensive testing for several years and has been essential in recent investigations in large-scale tensor computer algebra. Program summaryProgram title: xPerm Catalogue identifier: AEBH_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEBH_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 93 582 No. of bytes in distributed program, including test data, etc.: 1 537 832 Distribution format: tar.gz Programming language: C and Mathematica (version 5.0 or higher) Computer: Any computer running C and Mathematica (version 5.0 or higher) Operating system: Linux, Unix, Windows XP, MacOS RAM:: 20 Mbyte Word size: 64 or 32 bits Classification: 1.5, 5 Nature of problem: Canonicalization of indexed expressions with respect to permutation symmetries. Solution method: The Butler-Portugal algorithm. Restrictions: Multiterm symmetries are not considered. Running time: A few seconds with generic expressions of up to 100 indices. The xPermDoc.nb notebook supplied with the distribution takes approximately one and a half hours to execute in full.
75 FR 65533 - Data Collection Available for Public Comments and Recommendations
Federal Register 2010, 2011, 2012, 2013, 2014
2010-10-25
... minimize the estimated burden and enhance the quality of the collection, to George Solomon, Senior Policy..., Washington, DC 20416. FOR FURTHER INFORMATION CONTACT: George Solomon, Office of Senior [[Page 65534
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2010-03-03
... 4041, Washington, DC 20405. FOR FURTHER INFORMATION CONTACT: Mr. Michael O. Jackson, Procurement Analyst, Contract Policy Branch, GSA, (202) 208-4949 or e-mail michaelo.jackson@gsa.gov . SUPPLEMENTARY...
NASA Astrophysics Data System (ADS)
To encourage scientists to contribute to public policy issues that involve the natural sciences, the Brookings Institution in Washington, D.C., has established a Science Policy Fellowship program, slated to begin with the 1981-1982 academic year. The program will bring senior scientists to Washington for 1 year to work with the Brookings staff on science policy issues.Fellowships will be awarded annually to three scientists from among candidates nominated by an advisory committee, by departments of natural science at universities and private research institutions, and by the public sector. The new program is supported by a 3-year grant from the Sloan Foundation.
ERIC Educational Resources Information Center
Tomasi, Lydio F., Ed.; And Others
This volume presents viewpoints of government representatives, legal experts, economists, and private sector representatives on recommendations for reforms in U.S. immigration policy and legislation submitted to the President and to Congress by the Select Commission on Immigration and Refugee Policy. Included are: (1) a report of issues considered…
ERIC Educational Resources Information Center
Harvard Civil rights Project, Cambridge, MA.
This report contends that public school administrators no longer rely on literal interpretations of states' and districts' zero tolerance policies and overzealously promote safety, inventing creative interpretations of the laws and using them to suspend and expel children based on relatively minor offenses. Minority students are disproportionately…
ERIC Educational Resources Information Center
Focus, 2000
2000-01-01
This special issue presents, in capsule form, presentations from workshops at the Eighth National Policy Institute. The conference theme of black economic advancement in the new century focused on globalization, education, and technology. Ten workshops were the core of the conference, and their topics were: (1) overcoming the 2000 Census…
Library and Information Services Policy: A Forum Report (Washington, D.C., September 23-24, 1993).
ERIC Educational Resources Information Center
National Commission on Libraries and Information Science, Washington, DC.
This report is the result of a meeting to consider the need for broad assessment of the fundamental changes in library and information services needed to keep pace with the electronic age. Participants agreed to plan for the establishment of an annual series of policy forum meetings for participants from a variety of disciplines to consider issues…
Allen, Sean T; Ruiz, Monica S; O'Rourke, Allison
2015-07-01
A breadth of literature exists that explores the utilization of research evidence in policy change processes. From this work, a number of studies suggest research evidence is applied to change processes by policy change stakeholders primarily through instrumental, conceptual, and/or symbolic applications, or is not used at all. Despite the expansiveness of research on policy change processes, a deficit exists in understanding the role of research evidence during change processes related to the implementation of structural interventions for HIV prevention among injection drug users (IDU). This study examined the role of research evidence in policy change processes for the implementation of publicly funded syringe exchange services in three US cities: Baltimore, MD, Philadelphia, PA, and Washington, DC. In-depth qualitative interviews were conducted with key stakeholders (n=29) from each of the study cities. Stakeholders were asked about the historical, social, political, and scientific contexts in their city during the policy change process. Interviews were transcribed and analyzed for common themes pertaining to applications of research evidence. In Baltimore and Philadelphia, the typological approaches (instrumental and symbolic/conceptual, respectively) to the applications of research evidence used by harm reduction proponents contributed to the momentum for securing policy change for the implementation of syringe exchange services. Applications of research evidence were less successful in DC because policymakers had differing ideas about the implications of syringe exchange program implementation and because opponents of policy change used evidence incorrectly or not at all in policy change discussions. Typological applications of research evidence are useful for understanding policy change processes, but their efficacy falls short when sociopolitical factors complicate legislative processes. Advocates for harm reduction may benefit from understanding how to effectively integrate research evidence into policy change processes in ways that confront the myriad of factors that influence policy change. Copyright © 2015 The Authors. Published by Elsevier B.V. All rights reserved.
Code of Federal Regulations, 2010 CFR
2010-10-01
... 705.002 Federal Acquisition Regulations System AGENCY FOR INTERNATIONAL DEVELOPMENT ACQUISITION... and Related Services Questionnaire; or USAID Form 1420-50, USAID Consultant Registry Information... Business Utilization (Department of State, U.S. Agency for International Development, Washington, DC 20523...
Code of Federal Regulations, 2011 CFR
2011-10-01
... 705.002 Federal Acquisition Regulations System AGENCY FOR INTERNATIONAL DEVELOPMENT ACQUISITION... and Related Services Questionnaire; or USAID Form 1420-50, USAID Consultant Registry Information... Business Utilization (Department of State, U.S. Agency for International Development, Washington, DC 20523...
ERIC Educational Resources Information Center
Asensio, Daniela A.; Barassi, Francisca J.; Zambon, Mariana T.; Mazza, Germán D.
2010-01-01
This paper describes the results of a pedagogical experience carried out at the University of Comahue, Argentina, with an interactive text (IT) concerning Homogeneous Chemical Reactors Analysis. The IT was built on the frame of the "Mathematica" software with the aim of providing students with a robust computational tool. Students'…
A Comparison Study between a Traditional and Experimental Program.
ERIC Educational Resources Information Center
Dogan, Hamide
This paper is part of a dissertation defended in January 2001 as part of the author's Ph.D. requirement. The study investigated the effects of use of Mathematica, a computer algebra system, in learning basic linear algebra concepts, It was done by means of comparing two first year linear algebra classes, one traditional and one Mathematica…
Study Finds Charter Networks Give No Clear Edge on Results
ERIC Educational Resources Information Center
Shah, Nirvi
2011-01-01
The author reports on a national study of middle school students in 40 charter networks which finds that, when it comes to having an impact on student achievement, results vary and, overall, charter students do not learn dramatically more than their counterparts in regular public schools. The findings from the research group Mathematica and the…
ERIC Educational Resources Information Center
Savelsbergh, Elwin R.; Ferguson-Hessler, Monica G. M.; de Jong, Ton
An approach to teaching problem-solving based on using the computer software Mathematica is applied to the study of electrostatics and is compared with the normal approach to the module. Learning outcomes for both approaches were not significantly different. The experimental course successfully addressed a number of misconceptions. Students in the…
A Quantitative Methodology for Vetting Dark Network Intelligence Sources for Social Network Analysis
2012-06-01
first algorithm by Erdös and Rényi (Erdös & Renyi , 1959). This earliest algorithm suffers from the fact that its degree distribution is not scale...Fundamental Media Understanding. Norderstedt: atpress. Erdös, P., & Renyi , A. (1959). On random graphs. Publicationes Mathematicae , 6, 290- 297. Erdös, P
2010-11-30
Erdos- Renyi -Gilbert random graph [Erdos and Renyi , 1959; Gilbert, 1959], the Watts-Strogatz “small world” framework [Watts and Strogatz, 1998], and the...2003). Evolution of Networks. Oxford University Press, USA. Erdos, P. and Renyi , A. (1959). On Random Graphs. Publications Mathematicae, 6 290–297
Examining Variation in Achievement Impacts across the KIPP Network of Charter Schools
ERIC Educational Resources Information Center
Tuttle, Christina Clark; Gleason, Philip; Furgeson, Joshua
2012-01-01
As a condition of its i3 grant, KIPP contracted with an independent evaluator (Mathematica) to address a key research question: does KIPP maintain its demonstrated effectiveness as it scales? While this question sounds simple enough in theory, it poses several methodological and practical challenges. This paper outlines some of those key…
ERIC Educational Resources Information Center
Lipscomb, Stephen; Gill, Brian; Booker, Kevin; Johnson, Matthew
2010-01-01
At the request of Pittsburgh Public Schools (PPS) and the Pittsburgh Federation of Teachers (PFT), Mathematica is developing value-added models (VAMs) that aim to estimate the contributions of individual teachers, teams of teachers, and schools to the achievement growth of their students. The analyses described in this report are intended as an…
ERIC Educational Resources Information Center
Mahavier, W. Ted
2002-01-01
Describes a two-semester numerical methods course that serves as a research experience for undergraduate students without requiring external funding or the modification of current curriculum. Uses an engineering problem to introduce students to constrained optimization via a variation of the traditional isoperimetric problem of finding the curve…
The Logical Heart of a Classic Proof Revisited: A Guide to Godel's "Incompleteness" Theorems
ERIC Educational Resources Information Center
Padula, Janice
2011-01-01
The study of Kurt Godel's proof of the "incompleteness" of a formal system such as "Principia Mathematica" is a great way to stimulate students' thinking and creative processes and interest in mathematics and its important developments. This article describes salient features of the proof together with ways to deal with potential difficulties for…
ERIC Educational Resources Information Center
Association for Education in Journalism and Mass Communication.
The Communication Technology and Policy section of the proceedings contains the following eight papers: "Effects of Home Computer Use on Adolescents' Family Lives: Time Use and Relationships with Family Members in Taiwan and America" (Mine-Ping Sun); "Computers, Ambivalence and the Transformation of Journalistic Work" (John T.…
ERIC Educational Resources Information Center
Congress of the U.S., Washington, DC. House Committee on Education and Labor.
According to its chairman, the Subcommittee on Employment Opportunities called the hearing in order "to gain some fuller understanding of the nature, scope, and purpose of the significant modifications of ... policies, regulations, and guidelines" proposed by the Equal Opportunity Commission (EEOC), particularly as they affect…
ERIC Educational Resources Information Center
1994
The Career Planning for Life Forum was a national policy forum sponsored by the Committee for Economic Development (CED) and hosted by the U.S. Army. More than 250 representatives of business, education, government, and labor attended the forum and spent the day discussing the preparation of the country's young work force for the global economy.…
Building Civilian Interagency Capacity for Missions Abroad: Key Proposals and Issues for Congress
2012-01-23
5f. WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) The Library of Congress ,Congressional Research Service,101 Independence...Ave, SE,Washington,DC,20540 8. PERFORMING ORGANIZATION REPORT NUMBER 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSOR/MONITOR’S...the past two decades, prominent foreign policy organizations and foreign policy experts have perceived serious deficiencies in the authorities
ERIC Educational Resources Information Center
Lamb-Parker, Faith, Ed.; Hagen, John, Ed.; Robinson, Ruth, Ed.; Rhee, Hezie, Ed.
This document summarizes the proceedings of Head Start's Sixth National Research Conference on early childhood and family research. The first part of these proceedings compiles presentations from special sessions, including plenary sessions on promoting young childrens eagerness to learn in educational settings, self-regulation, and policies and…
ERIC Educational Resources Information Center
Yaffe, Deborah
2015-01-01
This issue of ETS Policy Notes (Vol. 22, No. 1) provides highlights from a recent symposium sponsored by ETS and the Children Defense Fund (CDF), "Advancing Success for Black Men in College," held on June 23, 2014, in Washington, DC. The symposium is part of a two-conference series: It was the 18th of ETS's "Addressing Achievement…
Toward a DoD/VA longitudinal health record: politics and the policy landscape.
Gimbel, Ronald W; Clyburn, Conrad A
2009-05-01
Policy implications of an interoperable Department of Defense (DoD) and Veterans Administration (VA) longitudinal health record (LHR) are substantial and far reaching. In this manuscript the authors explore the existing challenges and opportunities, the political landscape, and alternative solutions that have created a favorable environment for legislation and funding to support its development. The authors identify six policy themes emerging from the historic National Forum on the Future of the Defense Health Information System held recently at Georgetown University in Washington DC.
The Rise and Fall of Dyna-Soar: A History of Air Force Hypersonic R&D, 1944--1963.
1995-08-01
sentiments of the SAG and RAND. He too believed that pushing the 1Lee Bowen, An Air Force History of Space Activities, 1945 -1959 (Washington, D.C.: USAF...Force, 1945 -1960 (Washington, D.C.: Office of Air Force History , 1990), 7-64; U.S. Congress, Senate, Military Affairs Committee, Department of Armed... 1945 ), 291-92; Ernest May, Lessons of the Past: The Use and Misuse of History in American Foreign Policy (New York, 1973), Chapter 2. 47 technology and
Federal Register 2010, 2011, 2012, 2013, 2014
2010-09-28
... Management Act (MSA), social impact assessments under the National Environmental Policy Act and MSA, North...., Washington, DC 20230 (or via the Internet at [email protected] ). FOR FURTHER INFORMATION CONTACT: Requests for...
Federal Register 2010, 2011, 2012, 2013, 2014
2010-10-20
..., Defense Procurement and Acquisition Policy, Office of Program Acquisition and Strategic Sourcing (DPAP..., Washington, DC 20301-3060. FOR FURTHER INFORMATION CONTACT: Victoria Revel at (703) 695-8567 or e- mail...
29 CFR 1401.21 - Information policy.
Code of Federal Regulations, 2010 CFR
2010-07-01
... working hours so long as it does not interfere with the efficient operation of the agency. (c) The Service... Street, NW., Washington, DC 20427, as long as the supply lasts. The provisions of § 1401.36 (fees) is not...
Quantifying Syringe Exchange Program Operational Space in the District of Columbia.
Allen, Sean T; Ruiz, Monica S; Jones, Jeff
2016-12-01
Syringe exchange programs (SEPs) are effective structural interventions for HIV prevention among persons who inject drugs. In 2000, a buffer zone policy (the 1000 Foot Rule) was implemented in Washington, DC, that prohibited SEP operations within 1000 feet of schools. We examined changes in the amount of legal SEP operational space over time. We used data pertaining to school operations and their approximate physical property boundaries to quantify the impact of the 1000 Foot Rule on legal SEP operational space from its implementation in 2000-2013. Adherence to the 1000 Foot Rule reduced SEP operational space by more than 50 % annually since its implementation. These findings demonstrate the significant restrictions on the amount of legal SEP operational space in Washington, DC, that are imposed by the 1000 Foot Rule. Changing this policy could have a significant impact on SEP service delivery among injectors.
ERIC Educational Resources Information Center
Calinger, Ronald, Ed.
This book brings together papers by scholars from around the globe on the historiography and history of mathematics and their integration with mathematical pedagogy. Of the three articles in Part 1, "Historiography and Sources", one identifies research trends in the history of mathematics, the second discusses the centrality of problems, and the…
Restricted Closed Shell Hartree Fock Roothaan Matrix Method Applied to Helium Atom Using Mathematica
ERIC Educational Resources Information Center
Acosta, César R.; Tapia, J. Alejandro; Cab, César
2014-01-01
Slater type orbitals were used to construct the overlap and the Hamiltonian core matrices; we also found the values of the bi-electron repulsion integrals. The Hartree Fock Roothaan approximation process starts with setting an initial guess value for the elements of the density matrix; with these matrices we constructed the initial Fock matrix.…
ERIC Educational Resources Information Center
Ardiç, Mehmet Alper; Isleyen, Tevfik
2017-01-01
The purpose of this study is to determine the levels of high school mathematics teachers in achieving mathematics instruction via computer algebra systems and the reflections of these practices in the classroom. Three high school mathematics teachers employed at different types of school participated in the study. In the beginning of this…
The Roles of Visualization and Symbolism in the Potential and Actual Infinity of the Limit Process
ERIC Educational Resources Information Center
Kidron, Ivy; Tall, David
2015-01-01
A teaching experiment-using Mathematica to investigate the convergence of sequence of functions visually as a sequence of objects (graphs) converging onto a fixed object (the graph of the limit function)-is here used to analyze how the approach can support the dynamic blending of visual and symbolic representations that has the potential to lead…
Methods in Symbolic Computation and p-Adic Valuations of Polynomials
NASA Astrophysics Data System (ADS)
Guan, Xiao
Symbolic computation has widely appear in many mathematical fields such as combinatorics, number theory and stochastic processes. The techniques created in the area of experimental mathematics provide us efficient ways of symbolic computing and verification of complicated relations. Part I consists of three problems. The first one focuses on a unimodal sequence derived from a quartic integral. Many of its properties are explored with the help of hypergeometric representations and automatic proofs. The second problem tackles the generating function of the reciprocal of Catalan number. It springs from the closed form given by Mathematica. Furthermore, three methods in special functions are used to justify this result. The third issue addresses the closed form solutions for the moments of products of generalized elliptic integrals , which combines the experimental mathematics and classical analysis. Part II concentrates on the p-adic valuations of polynomials from the perspective of trees. For a given polynomial f( n) indexed in positive integers, the package developed in Mathematica will create certain tree structure following a couple of rules. The evolution of such trees are studied both rigorously and experimentally from the view of field extension, nonparametric statistics and random matrix.
Promoting Active Learning: The Use of Computational Software Programs
NASA Astrophysics Data System (ADS)
Dickinson, Tom
The increased emphasis on active learning in essentially all disciplines is proving beneficial in terms of a student's depth of learning, retention, and completion of challenging courses. Formats labeled flipped, hybrid and blended facilitate face-to-face active learning. To be effective, students need to absorb a significant fraction of the course material prior to class, e.g., using online lectures and reading assignments. Getting students to assimilate and at least partially understand this material prior to class can be extremely difficult. As an aid to achieving this preparation as well as enhancing depth of understanding, we find the use of software programs such as Mathematica®or MatLab®, very helpful. We have written several Mathematica®applications and student exercises for use in a blended format two semester E&M course. Formats include tutorials, simulations, graded and non-graded quizzes, walk-through problems, exploration and interpretation exercises, and numerical solutions of complex problems. A good portion of this activity involves student-written code. We will discuss the efficacy of these applications, their role in promoting active learning, and the range of possible uses of this basic scheme in other classes.
Approximation of the exponential integral (well function) using sampling methods
NASA Astrophysics Data System (ADS)
Baalousha, Husam Musa
2015-04-01
Exponential integral (also known as well function) is often used in hydrogeology to solve Theis and Hantush equations. Many methods have been developed to approximate the exponential integral. Most of these methods are based on numerical approximations and are valid for a certain range of the argument value. This paper presents a new approach to approximate the exponential integral. The new approach is based on sampling methods. Three different sampling methods; Latin Hypercube Sampling (LHS), Orthogonal Array (OA), and Orthogonal Array-based Latin Hypercube (OA-LH) have been used to approximate the function. Different argument values, covering a wide range, have been used. The results of sampling methods were compared with results obtained by Mathematica software, which was used as a benchmark. All three sampling methods converge to the result obtained by Mathematica, at different rates. It was found that the orthogonal array (OA) method has the fastest convergence rate compared with LHS and OA-LH. The root mean square error RMSE of OA was in the order of 1E-08. This method can be used with any argument value, and can be used to solve other integrals in hydrogeology such as the leaky aquifer integral.
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... Harvey, Chief, Park Facility Management Division, 1849 C Street, NW., Washington, DC 20240, or to his.... Dated: December 9, 2009. Stephen E. Whitesell, Associate Director, Park Planning, Facilities, and Lands...
ERIC Educational Resources Information Center
Burke, Edward P., Ed.; Quigley, Mark S., Ed.
The conference reported in this document had three aims: to initiate dialogue on furthering the goals of the Americans with Disabilities Act of 1990 (ADA) through disability policy research; to identify the resources and infrastructures available to enhance the process; and to articulate steps that can be taken to monitor implementation of the…
Conference on Workforce Quality Assessment Held in Washington, DC on 8 May 1989
1989-09-01
of Education Statistics Sar Levitan, Director Department of Education Center for Social Policy Studies George Washington University Michael G. Hansen...wO. it’" Merit Systems Protection Board Office of Personnel Management A Federal Government which is staffed by well qualified and motivated ...long been national policy to provide for a merit-based civil service system. The question of whether we have met the objective of a well qualified
ERIC Educational Resources Information Center
Yaffe, Deborah
2013-01-01
This issue of ETS Policy Notes (Vol. 21, No. 3) provides highlights from the symposium, "Black Male Teens: Moving to Success in the High School Years" held on June 24, 2013, in Washington, DC. The third in a series of four symposia cosponsored by ETS and the Children's Defense Fund (CDF), the seminar examined the education and status of…
The Road Weather Bulletin : Road Weather Management Publications and Training Materials
DOT National Transportation Integrated Search
2011-01-01
This document summarizes results from the Road Weather Policy Forum held November 8-9, 2010 in Washington, D.C. The agenda outlines a research framework, broad research needs, and the various roles and responsibilities of several stakeholder sectors.
DOT National Transportation Integrated Search
2009-08-01
One of the most consistent topics of discussion about the Northeast Corridor (hereafter : NEC or the Corridor), particularly the central portion between Boston and Washington, : D.C., is the viability and efficiency of its transportation ...
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7 CFR 1753.39 - Closeout documents.
Code of Federal Regulations, 2010 CFR
2010-01-01
..., 1400 Independence Ave., SW., Washington, DC 20250-1522. (d) Grounding system audit. A grounding system audit shall be performed and found acceptable for equipment provided under Form 525 and 545 Contracts... AGRICULTURE TELECOMMUNICATIONS SYSTEM CONSTRUCTION POLICIES AND PROCEDURES Purchase and Installation of...
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Hofstadter, Douglas R.
1982-01-01
Compares the editorial policy and appeal of the "National Enquirer" to the "Skeptical Inquirer" which is published by the Committee for the Scientific Investigation of Claims of the Paranormal. Presents an overview of the common sense approach of the latter, its format, topics, and sample content. (DC)
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Seftor, Neil S.; Mamun, Arif; Schirm, Allen
2009-01-01
This last report from Mathematica's evaluation of Upward Bound analyzes data from the final round of survey and transcript data collection as well as administrative records from the National Student Clearinghouse and the federal Student Financial Aid files. It provides the first estimates of the effects of Upward Bound on postsecondary completion.…
By Stuart G. Baker The program requires Mathematica 7.01.0 The key function is Classify [datalist,options] where datalist={data, genename, dataname} data ={matrix for class 0, matrix for class 1}, matrix is gene expression by specimen genename a list of names of genes, dataname ={name of data set, name of class0, name of class1} |
A Survey of Quantum Programming Languages: History, Methods, and Tools
2008-01-01
and entanglement , to achieve computational solutions to certain problems in less time (fewer computational cycles) than is possible using classical...superposition of quantum bits, entanglement , destructive measurement, and the no-cloning theorem. These differences must be thoroughly understood and even...computers using well-known languages such as C, C++, Java, and rapid prototyping languages such as Maple, Mathematica, and Matlab . A good on-line
The Plotting Library http://astroplotlib.stsci.edu
NASA Astrophysics Data System (ADS)
Úbeda, L.
2014-05-01
astroplotlib is a multi-language astronomical library of plots. It is a collection of software templates that are useful to create paper-quality figures. All current templates are coded in IDL, some in Python and Mathematica. This free resource supported at Space Telescope Science Institute allows users to download any plot and customize it to their own needs. It is also intended as an educational tool.
On the Analysis and Construction of the Butterfly Curve Using "Mathematica"[R
ERIC Educational Resources Information Center
Geum, Y. H.; Kim, Y. I.
2008-01-01
The butterfly curve was introduced by Temple H. Fay in 1989 and defined by the polar curve r = e[superscript cos theta] minus 2 cos 4 theta plus sin[superscript 5] (theta divided by 12). In this article, we develop the mathematical model of the butterfly curve and analyse its geometric properties. In addition, we draw the butterfly curve and…
ERIC Educational Resources Information Center
Mathematica Policy Research, Inc., 2015
2015-01-01
This master data collection protocol describes the data that Mathematica collected for the Race to the Top-Early Learning Challenge Study of Tiered Quality Rating and Improvement Systems. This study was conducted for the Department of Education's Institute of Education Sciences. The data were collected from reviews of applications, documents, and…
FeynArts model file for MSSM transition counterterms from DREG to DRED
NASA Astrophysics Data System (ADS)
Stöckinger, Dominik; Varšo, Philipp
2012-02-01
The FeynArts model file MSSMdreg2dred implements MSSM transition counterterms which can convert one-loop Green functions from dimensional regularization to dimensional reduction. They correspond to a slight extension of the well-known Martin/Vaughn counterterms, specialized to the MSSM, and can serve also as supersymmetry-restoring counterterms. The paper provides full analytic results for the counterterms and gives one- and two-loop usage examples. The model file can simplify combining MS¯-parton distribution functions with supersymmetric renormalization or avoiding the renormalization of ɛ-scalars in dimensional reduction. Program summaryProgram title:MSSMdreg2dred.mod Catalogue identifier: AEKR_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEKR_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: LGPL-License [1] No. of lines in distributed program, including test data, etc.: 7600 No. of bytes in distributed program, including test data, etc.: 197 629 Distribution format: tar.gz Programming language: Mathematica, FeynArts Computer: Any, capable of running Mathematica and FeynArts Operating system: Any, with running Mathematica, FeynArts installation Classification: 4.4, 5, 11.1 Subprograms used: Cat Id Title Reference ADOW_v1_0 FeynArts CPC 140 (2001) 418 Nature of problem: The computation of one-loop Feynman diagrams in the minimal supersymmetric standard model (MSSM) requires regularization. Two schemes, dimensional regularization and dimensional reduction are both common but have different pros and cons. In order to combine the advantages of both schemes one would like to easily convert existing results from one scheme into the other. Solution method: Finite counterterms are constructed which correspond precisely to the one-loop scheme differences for the MSSM. They are provided as a FeynArts [2] model file. Using this model file together with FeynArts, the (ultra-violet) regularization of any MSSM one-loop Green function is switched automatically from dimensional regularization to dimensional reduction. In particular the counterterms serve as supersymmetry-restoring counterterms for dimensional regularization. Restrictions: The counterterms are restricted to the one-loop level and the MSSM. Running time: A few seconds to generate typical Feynman graphs with FeynArts.
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Congress of the U.S., Washington, DC. House Committee on Education and Labor.
This volume presents a transcript of discussion and statements presented at an oversight hearing before the House Subcommittee on Employment Opportunities. The hearing reviewed new enforcement policies of the Equal Employment Opportunity Commission (EEOC), which had the stated intent of increasing the litigation of individual cases of unlawful…
ERIC Educational Resources Information Center
White House Conference on Aging, Washington, DC.
This first volume of three of the final report of the 1981 White House Conference on Aging contains the response to the congressional charge to the Conference that the final report propose a national policy on aging not only for the minority who need aid but also for the majority of older adults who live in comfort and security. The report is…
ERIC Educational Resources Information Center
Lamb-Parker, Faith, Ed.; Hagen, John, Ed.; Robinson, Ruth, Ed.; Clark, Cheryl, Ed.
This report summarizes the conference proceedings of the fourth Head Start National Research Conference. The focus of the conference was on creating a shared agenda for researchers, practitioners, and policy makers related to serving children and families in an era of rapid change. Keynote topics and speakers are: "Countering the Health…
Ayehunie, Seyoum; Snell, Maureen; Child, Matthew; Klausner, Mitchell
2009-01-01
A predictive allergenicity test system for assessing the contact allergenicity of chemicals is needed by the cosmetic and pharmaceutical industry to monitor product safety in the marketplace. Development of such non-animal alternative assay systems for skin sensitization and hazard identification has been pursued by policy makers and regulatory agencies. We investigated whether phenotypic and functional changes to a subset of dendritic cells (DC), plasmacytoid DC (pDC), could be used to identify contact allergens. To achieve this goal, normal human DC were generated from CD34+ progenitor cells and cryopreserved. Frozen DC were thawed and the pDC fraction (CD123+/CD11c-) was harvested using FACS sorting. The pDC were cultured, expanded, and exposed to chemical allergens (N=26) or non-allergens (N=22). Concentrations of each chemical that resulted in >50% viability was determined using FACS analysis of propidium iodide stained cells using pDC from 2-5 donors. Expression of the surface marker, CD86, which has been implicated in dendritic cell maturation, was used as a marker of allergenicity. CD86 expression increased (≥ 1.5 fold) for 25 of 26 allergens (sensitivity = 96%) but did not increase for 19 of 22 non-allergens (specificity = 86%). In a direct comparison to historical data for the regulatory approved, mouse local lymph node assay (LLNA) for 23 allergens and 22 non-allergens, the pDC method had sensitivity and specificity of 96% and 86%, respectively, while the sensitivity and specificity of the LLNA assay was 83% and 82%, respectively. In conclusion, CD86 expression in pDC appears to be a sensitive and specific indicator to identify contact allergenicity. Such an assay method utilizing normal human cells will be useful for high throughput screening of chemicals for allergenicity. PMID:19665512
Department of Justice Semiannual Regulatory Agenda
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Coast Guard Compensation Alternatives.
1981-12-01
private automobile to commute. Bachelor personnel were slightly more likely to use their own car or public transpor- tation than were married personnel...Command Washington, D.C. 20370 5. Director for HRM Plans and Policy (OP-150)1 Human Resource Management Division Deputy Chief of Naval Operations
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... Development Area had an adverse impact upon the physical, economic, and social life of Washington, DC. The...—1974, as amended (the Plan) is a blueprint for social, economic, and architectural rejuvenation of the... Nation's Capital, proudly displaying the successful joint efforts of the Corporation, other Federal and...
10 CFR 1015.101 - Prescription of standards.
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... ELECTRIC ENGINEERING, ARCHITECTURAL SERVICES AND DESIGN POLICIES AND PROCEDURES Electric System Design § 1724.55 Dam safety. (a) The provisions of this section apply only to RUS financed electric system... at RUS, Electric Staff Division, 1400 Independence Avenue, SW., Washington, DC, Room 1246-S, and at...
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... ELECTRIC ENGINEERING, ARCHITECTURAL SERVICES AND DESIGN POLICIES AND PROCEDURES Electric System Design § 1724.55 Dam safety. (a) The provisions of this section apply only to RUS financed electric system... at RUS, Electric Staff Division, 1400 Independence Avenue, SW., Washington, DC, Room 1246-S, and at...
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2014-01-01
... ELECTRIC ENGINEERING, ARCHITECTURAL SERVICES AND DESIGN POLICIES AND PROCEDURES Electric System Design § 1724.55 Dam safety. (a) The provisions of this section apply only to RUS financed electric system... at RUS, Electric Staff Division, 1400 Independence Avenue, SW., Washington, DC, Room 1246-S, and at...
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2011-07-01
... Development Area had an adverse impact upon the physical, economic, and social life of Washington, DC. The...—1974, as amended (the Plan) is a blueprint for social, economic, and architectural rejuvenation of the... Nation's Capital, proudly displaying the successful joint efforts of the Corporation, other Federal and...
1983-05-01
THE ARMED FORCES AREA 6 WORK UNIT NUMBERS -. FORT LESLEY J. MC NAIR WASHINGTON, DC 20319 11. CONTROLLING OFFICE NAME AND ADDRESS 12. REPORT DATE "Vt...yearly dollar volume and lead directly to cost- effective .- national security. Such business generates research funding that can have important military...Mbreover, there is no central focus for these policies and no foru to discuss their effect on national security and international catetiiveness. The
ERIC Educational Resources Information Center
Jarjoura, G. Roger; DuBois, David L.; Shlafer, Rebecca J.; Haight, Konrad A.
2013-01-01
In September 2013, a Listening Session on Mentoring Children of Incarcerated Parents was held in Washington, DC. This session was organized by the U.S. Department of Justice's Office of Juvenile Justice and Delinquency Prevention in partnership with the White House Domestic Policy Council and Office of Public Engagement. It continues the…
2012-10-01
support ongoing efforts by Lt Gen Charles Stenner to transform the Reserve into the operational, cost-effective, enhanced force that he envisions.35...Charles E. Stenner , Total Force Policy 21: A 21st Century Framework for Military Force Mix Decisions, Air Force Reserve White Paper (Washington, DC...20. Stenner , Total Force Policy 21, 3–5. 21. Readiness Management Group, RMG Individual Reserve Guide, 8–9. 22. Ibid.; and Stenner , Total Force
2002-09-01
In actuality the system definitions and boundaries are being reinforced by the limits placed on the debate. There is no formal censorship in the US...enemy and reinforces it with rhetoric in support of their own side, leading to a further problem with double standards and hypocrisy than already...the Media, Public Policy, and Humanitarian Crises. Washington DC: The Brookings Institution, 1996, p. 136. 28 Ibid, p. 138. 30 demand immediate
Decidability of formal theories and hyperincursivity theory
NASA Astrophysics Data System (ADS)
Grappone, Arturo G.
2000-05-01
This paper shows the limits of the Proof Standard Theory (briefly, PST) and gives some ideas of how to build a proof anticipatory theory (briefly, PAT) that has no such limits. Also, this paper considers that Gödel's proof of the undecidability of Principia Mathematica formal theory is not valid for axiomatic theories that use a PAT to build their proofs because the (hyper)incursive functions are self-representable.
Image Analysis Using Quantum Entropy Scale Space and Diffusion Concepts
2009-11-01
images using a combination of analytic methods and prototype Matlab and Mathematica programs. We investigated concepts of generalized entropy and...Schmidt strength from quantum logic gate decomposition. This form of entropy gives a measure of the nonlocal content of an entangling logic gate...11 We recall that the Schmidt number is an indicator of entanglement , but not a measure of entanglement . For instance, let us compare
Effective Measurement of Reliability of Repairable USAF Systems
2012-09-01
Hansen presented a course, Concepts and Models for Repairable Systems Reliability, at the 2009 Centro de Investigacion en Mathematicas ( CIMAT ). The...recurrent event by calculating the mean quantity of recurrent events of the population of systems at risk at that point in time. The number of systems at... risk is the number of systems that are operating and providing information. [9] Information can be obscured by data censoring and truncation. One
Digges, Leonard (c 1520-c 1559) and Digges, Thomas (1545/6-95)
NASA Astrophysics Data System (ADS)
Murdin, P.
2000-11-01
Both were English astronomers, opticians and military engineers. Thomas was born in Wotton, Kent, England, and incorporated his father's work on optics and ballistics into his own publications. He was tutored by JOHN DEE. In 1573 Thomas Digges published Alae seu Scalae Mathematicae, a work on the position of the supernova of 1572, showing it had no parallax, i.e. was at a great distance, beyond t...
NASA Astrophysics Data System (ADS)
Gencoglu, Muharrem Tuncay; Baskonus, Haci Mehmet; Bulut, Hasan
2017-01-01
The main aim of this manuscript is to obtain numerical solutions for the nonlinear model of interpersonal relationships with time fractional derivative. The variational iteration method is theoretically implemented and numerically conducted only to yield the desired solutions. Numerical simulations of desired solutions are plotted by using Wolfram Mathematica 9. The authors would like to thank the reviewers for their comments that help improve the manuscript.
76 FR 39117 - Notice of Proposed Information Collection: Relocation and Real Property Acquisition...
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The Alignment of Small States: Singapore and Vietnam
2011-12-01
University Press, 1998. Geiss, Imanuel. German Foreign Policy, 1871–1914. Boston: Routledge & Kegan Paul Ltd, 1976. Goh, Evelyn. “Great Powers and...Meeting the China Challenge: The U.S. in Southeast Asian Regional Security Strategies. Washington, D.C.: East-West Center Washington. Green , Michael J
78 FR 45096 - Standards for Business Practices and Communication Protocols for Public Utilities
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... processing software should be filed in native applications or print-to-PDF format and not in a scanned format... relevant part sub nom. Transmission Access Policy Study Group v. FERC, 225 F.3d 667 (D.C. Cir. 2002), aff'd...
RPAs: Revolution or Retrogression?
2010-04-01
be a “never again” syndrome with respect to a Vietnam sort of war. The concept was that somehow the North Atlantic Treaty Organization (NATO) would...Washington, DC: Air Force History and Museums Program, 1998), 58. 64. Michael P. Noonan , “Disrupting the Foreign Fighter Flow,” Foreign Policy Research
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25 Ways to Reduce the Cost of College
ERIC Educational Resources Information Center
Vedder, Richard; Gillen, Andrew; Bennett, Daniel; Denhart, Matthew; Robe, Jonathan; Holbrook, Todd; Neiger, Peter; Coleman, James; Templeton, Jordan; Leirer, Jonathan; Myers, Luke; Brady, Ryan; Malesick, Michael
2010-01-01
The Center for College Affordability and Productivity (CCAP) is an independent, nonprofit research center based in Washington, DC that is dedicated to researching public policy and economic issues relating to postsecondary education. CCAP aims to facilitate a broader dialogue that challenges conventional thinking about costs, efficiency and…
13 CFR 102.2 - Public reading rooms.
Code of Federal Regulations, 2010 CFR
2010-01-01
... Headquarters Reference Library at 409 3rd St., SW., Suite 5000, Washington, DC 20416 where you may read and... adjudicating a case, (2) Official non-privileged policy statements, opinions, or interpretations, (3) Standard....gov/library/. (c) Reading room records created on or after November 1, 1996 are available...
76 FR 37890 - Certification Pursuant to Energy Policy Act of 2005
Federal Register 2010, 2011, 2012, 2013, 2014
2011-06-28
... AGENCY: Financial Management Service, Fiscal Service, Treasury. ACTION: Notice. SUMMARY: The Energy... CONTACT: Teresa Dawson, Senior Counsel, Financial Management Service, 401 14th Street, SW., Washington, DC... October 2006 the Minerals Management Service (MMS) of the United States Department of the Interior entered...
Q & A with Ed Tech Leaders: Interview with Brian Lewis
ERIC Educational Resources Information Center
Shaughnessy, Michael F.; Fulgham, Susan M.
2013-01-01
Brian Lewis, International Society for Technology in Education (ISTE) chief executive officer, is an education advocate and leader specializing in management and governance, policy, corporate communications, branding, and marketing. He provides leadership to ISTE's Washington, DC, and Eugene, Oregon, offices and directs organizational…
Aggarwal, Neil Krishan; Cedeno, Kryst; John, Dolly; Lewis-Fernandez, Roberto
2017-08-01
This study reports the extent to which states have adopted the national culturally and linguistically appropriate services (CLAS) standards. Officials from public mental health agencies in the 50 states, Washington, D.C., and Puerto Rico were contacted between January and June 2016 to obtain information about adoption of CLAS standards in current policies. Each policy was coded through thematic analysis to determine its correspondence with any of the 14 national CLAS standards, which are grouped into three domains. Officials from 47 states and territories (90%) responded. Eight states (17%) reported adopting all national CLAS standards. Ten (23%) had adopted no CLAS policies, five (12%) had adopted policies under one domain, three (7%) under two domains, and 25 (58%) under all three domains. Most states do not have policies that meet all CLAS standards, raising questions about how CLAS standards should be adopted.
Automatic calculation of supersymmetric renormalization group equations and loop corrections
NASA Astrophysics Data System (ADS)
Staub, Florian
2011-03-01
SARAH is a Mathematica package for studying supersymmetric models. It calculates for a given model the masses, tadpole equations and all vertices at tree-level. This information can be used by SARAH to write model files for CalcHep/ CompHep or FeynArts/ FormCalc. In addition, the second version of SARAH can derive the renormalization group equations for the gauge couplings, parameters of the superpotential and soft-breaking parameters at one- and two-loop level. Furthermore, it calculates the one-loop self-energies and the one-loop corrections to the tadpoles. SARAH can handle all N=1 SUSY models whose gauge sector is a direct product of SU(N) and U(1) gauge groups. The particle content of the model can be an arbitrary number of chiral superfields transforming as any irreducible representation with respect to the gauge groups. To implement a new model, the user has just to define the gauge sector, the particle, the superpotential and the field rotations to mass eigenstates. Program summaryProgram title: SARAH Catalogue identifier: AEIB_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEIB_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 97 577 No. of bytes in distributed program, including test data, etc.: 2 009 769 Distribution format: tar.gz Programming language: Mathematica Computer: All systems that Mathematica is available for Operating system: All systems that Mathematica is available for Classification: 11.1, 11.6 Nature of problem: A supersymmetric model is usually characterized by the particle content, the gauge sector and the superpotential. It is a time consuming process to obtain all necessary information for phenomenological studies from these basic ingredients. Solution method: SARAH calculates the complete Lagrangian for a given model whose gauge sector can be any direct product of SU(N) gauge groups. The chiral superfields can transform as any, irreducible representation with respect to these gauge groups and it is possible to handle an arbitrary number of symmetry breakings or particle rotations. Also the gauge fixing terms can be specified. Using this information, SARAH derives the mass matrices and Feynman rules at tree-level and generates model files for CalcHep/CompHep and FeynArts/FormCalc. In addition, it can calculate the renormalization group equations at one- and two-loop level and the one-loop corrections to the one- and two-point functions. Unusual features: SARAH just needs the superpotential and gauge sector as input and not the complete Lagrangian. Therefore, the complete implementation of new models is done in some minutes. Running time: Measured CPU time for the evaluation of the MSSM on an Intel Q8200 with 2.33 GHz. Calculating the complete Lagrangian: 12 seconds. Calculating all vertices: 75 seconds. Calculating the one- and two-loop RGEs: 50 seconds. Calculating the one-loop corrections: 7 seconds. Writing a FeynArts file: 1 second. Writing a CalcHep/CompHep file: 6 seconds. Writing the LaTeX output: 1 second.
The two-electron atomic systems. S-states
NASA Astrophysics Data System (ADS)
Liverts, Evgeny Z.; Barnea, Nir
2010-01-01
A simple Mathematica program for computing the S-state energies and wave functions of two-electron (helium-like) atoms (ions) is presented. The well-known method of projecting the Schrödinger equation onto the finite subspace of basis functions was applied. The basis functions are composed of the exponentials combined with integer powers of the simplest perimetric coordinates. No special subroutines were used, only built-in objects supported by Mathematica. The accuracy of results and computation time depend on the basis size. The precise energy values of 7-8 significant figures along with the corresponding wave functions can be computed on a single processor within a few minutes. The resultant wave functions have a simple analytical form consisting of elementary functions, that enables one to calculate the expectation values of arbitrary physical operators without any difficulties. Program summaryProgram title: TwoElAtom-S Catalogue identifier: AEFK_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEFK_v1_0.html Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 10 185 No. of bytes in distributed program, including test data, etc.: 495 164 Distribution format: tar.gz Programming language: Mathematica 6.0; 7.0 Computer: Any PC Operating system: Any which supports Mathematica; tested under Microsoft Windows XP and Linux SUSE 11.0 RAM:⩾10 bytes Classification: 2.1, 2.2, 2.7, 2.9 Nature of problem: The Schrödinger equation for atoms (ions) with more than one electron has not been solved analytically. Approximate methods must be applied in order to obtain the wave functions or other physical attributes from quantum mechanical calculations. Solution method: The S-wave function is expanded into a triple basis set in three perimetric coordinates. Method of projecting the two-electron Schrödinger equation (for atoms/ions) onto a subspace of the basis functions enables one to obtain the set of homogeneous linear equations F.C=0 for the coefficients C of the above expansion. The roots of equation det(F)=0 yield the bound energies. Restrictions: First, the too large length of expansion (basis size) takes the too large computation time giving no perceptible improvement in accuracy. Second, the order of polynomial Ω (input parameter) in the wave function expansion enables one to calculate the excited nS-states up to n=Ω+1 inclusive. Additional comments: The CPC Program Library includes "A program to calculate the eigenfunctions of the random phase approximation for two electron systems" (AAJD). It should be emphasized that this fortran code realizes a very rough approximation describing only the averaged electron density of the two electron systems. It does not characterize the properties of the individual electrons and has a number of input parameters including the Roothaan orbitals. Running time: ˜10 minutes (depends on basis size and computer speed)
75 FR 34736 - Draft FY 2011-2015 EPA Strategic Plan
Federal Register 2010, 2011, 2012, 2013, 2014
2010-06-18
... Accountability, Office of the Chief Financial Officer [email protected] . Instructions: EPA's policy is that... Chief Financial Officer, Office of the Chief Financial Officer. [FR Doc. 2010-14649 Filed 6-17-10; 8:45... Financial Officer, U.S. Environmental Protection Agency, 1200 Pennsylvania Ave, NW., Washington, DC 20460...
76 FR 16630 - Announcement of an Award
Federal Register 2010, 2011, 2012, 2013, 2014
2011-03-24
... Families (ACF), Office of the Deputy Assistant Secretary and Inter-Departmental Liaison for Early Childhood... Washington, DC, to work with ACF programs on hunger and obesity issues for young children. An award in the... CONTACT: George Askew, MD, FAAP, Senior Policy Advisor for Early Childhood Health and Development, Office...
48 CFR 209.104-1 - General standards.
Code of Federal Regulations, 2013 CFR
2013-10-01
... subsidiary; and (2) Has been determined by the Secretary of State under 50 U.S.C. App. 2405(j)(1)(A) to be a... country, through agency channels, to: Deputy Director, Defense Procurement (Contract Policy and International Contracting, OUSD(AT&L)DPAP(CPIC)), 3060 Defense Pentagon, Washington, DC 20301-3060. (ii...
48 CFR 209.104-1 - General standards.
Code of Federal Regulations, 2014 CFR
2014-10-01
... subsidiary; and (2) Has been determined by the Secretary of State under 50 U.S.C. App. 2405(j)(1)(A) to be a... country, through agency channels, to: Deputy Director, Defense Procurement (Contract Policy and International Contracting, OUSD(AT&L)DPAP(CPIC)), 3060 Defense Pentagon, Washington, DC 20301-3060. (ii...
48 CFR 209.104-1 - General standards.
Code of Federal Regulations, 2012 CFR
2012-10-01
... subsidiary; and (2) Has been determined by the Secretary of State under 50 U.S.C. App. 2405(j)(1)(A) to be a... country, through agency channels, to: Deputy Director, Defense Procurement (Contract Policy and International Contracting, OUSD(AT&L)DPAP(CPIC)), 3060 Defense Pentagon, Washington, DC 20301-3060. (ii...
10 CFR 810.10 - Grant of specific authorization.
Code of Federal Regulations, 2011 CFR
2011-01-01
... “sensitive nuclear technology” as defined in § 810.3, the requirements of sections 127 and 128 of the Atomic... is required may apply for the authorization to the U.S. Department of Energy, National Nuclear Security Administration, Washington, DC 20585, Attention: Director, Nuclear Transfer and Supplier Policy...
10 CFR 810.10 - Grant of specific authorization.
Code of Federal Regulations, 2010 CFR
2010-01-01
... “sensitive nuclear technology” as defined in § 810.3, the requirements of sections 127 and 128 of the Atomic... is required may apply for the authorization to the U.S. Department of Energy, National Nuclear Security Administration, Washington, DC 20585, Attention: Director, Nuclear Transfer and Supplier Policy...
ERIC Educational Resources Information Center
Howell, William; West, Martin; Peterson, Paul E.
2011-01-01
Democrats and Republicans in Washington, D.C., are more polarized today than they have been in nearly a century. Among the general public, party identification remains the single most powerful predictor of people's opinions about a wide range of policy issues. Given this environment, reaching consensus on almost any issue of consequence would…
49 CFR 700.2 - Organization and functioning of Amtrak.
Code of Federal Regulations, 2013 CFR
2013-10-01
... Capitol Street, NW., Washington, DC 20001. Telephone: (202) 383-3000. (a) Board of Directors. Amtrak's major policies are established by its board of directors. The nine members of the board are selected as..., is Chairman of the Board; three members are appointed by the President of the United States and...
49 CFR 700.2 - Organization and functioning of Amtrak.
Code of Federal Regulations, 2011 CFR
2011-10-01
... Capitol Street, NW., Washington, DC 20001. Telephone: (202) 383-3000. (a) Board of Directors. Amtrak's major policies are established by its board of directors. The nine members of the board are selected as..., is Chairman of the Board; three members are appointed by the President of the United States and...
49 CFR 700.2 - Organization and functioning of Amtrak.
Code of Federal Regulations, 2012 CFR
2012-10-01
... Capitol Street, NW., Washington, DC 20001. Telephone: (202) 383-3000. (a) Board of Directors. Amtrak's major policies are established by its board of directors. The nine members of the board are selected as..., is Chairman of the Board; three members are appointed by the President of the United States and...
49 CFR 700.2 - Organization and functioning of Amtrak.
Code of Federal Regulations, 2014 CFR
2014-10-01
... Capitol Street, NW., Washington, DC 20001. Telephone: (202) 383-3000. (a) Board of Directors. Amtrak's major policies are established by its board of directors. The nine members of the board are selected as..., is Chairman of the Board; three members are appointed by the President of the United States and...
78 FR 20096 - Meeting of the Secretary of the Navy Advisory Panel; Cancellation
Federal Register 2010, 2011, 2012, 2013, 2014
2013-04-03
... DEPARTMENT OF DEFENSE Department of the Navy Meeting of the Secretary of the Navy Advisory Panel... the Navy announces the cancellation of the Secretary of the Navy Advisory Panel's partially closed... Under Secretary of the Navy (Plans, Policy, Oversight & Integration), 1000 Navy Pentagon, Washington, DC...
78 FR 18967 - Meeting of the Secretary of the Navy Advisory Panel
Federal Register 2010, 2011, 2012, 2013, 2014
2013-03-28
... DEPARTMENT OF DEFENSE Department of the Navy Meeting of the Secretary of the Navy Advisory Panel... Under Secretary of the Navy (Plans, Policy, Oversight & Integration), 1000 Navy Pentagon, Washington, DC..., the Secretary of the Navy has determined in writing that the public interest requires that all...
Code of Federal Regulations, 2013 CFR
2013-07-01
... (Health Affairs/TMA FHP&RP), 1200 Defense Pentagon, Room 3E1073, Washington, DC 20301-1200. (ii) DoD...://www.dtic.mil/whs/directives/corres/pdf/302041p.pdf. (h) Emergency Health Care. The Secretaries of the Military Departments and the USD(P&R) may designate emergency patients as eligible for emergency health...
Code of Federal Regulations, 2011 CFR
2011-07-01
... (Health Affairs/TMA FHP&RP), 1200 Defense Pentagon, Room 3E1073, Washington, DC 20301-1200. (ii) DoD...://www.dtic.mil/whs/directives/corres/pdf/302041p.pdf. (h) Emergency Health Care. The Secretaries of the Military Departments and the USD(P&R) may designate emergency patients as eligible for emergency health...
Code of Federal Regulations, 2014 CFR
2014-07-01
... (Health Affairs/TMA FHP&RP), 1200 Defense Pentagon, Room 3E1073, Washington, DC 20301-1200. (ii) DoD...://www.dtic.mil/whs/directives/corres/pdf/302041p.pdf. (h) Emergency Health Care. The Secretaries of the Military Departments and the USD(P&R) may designate emergency patients as eligible for emergency health...
Developing a Predictive Model for Facility Repair Costs on United States Air Force Installations
2011-06-01
repair activities at different times ( Durango & Madanat, 2002). Christian and Pandeya (1997) define maintenance as “the effort to keep a device or...Washington DC: Secretary of the Air Force, Financial Management. Durango , P. L., & Madanat, S. M. (2002). Optimal maintenance and repair policies in
DOD Environmental Policy Implementation: A Unit-Level Assessment.
1991-01-01
Moves to Front Burner," Defense/90, March-April: 21-32. Pope, Carl. (1991) "War on Earth," Sierra, Vol 76, No 3, May/June: 54-58. Pressman , Jeffrey L...California Press. Rabe, Barry G. (1986) Fragmentation and Integration in State Environmental Management. Washington, D.C.: The Conser- vation Foundation
75 FR 65550 - Overseas Security Advisory Council (OSAC) Meeting Notice
Federal Register 2010, 2011, 2012, 2013, 2014
2010-10-25
... meeting will focus on an examination of corporate security policies and procedures and will involve... DEPARTMENT OF STATE [Public Notice: 7166] Overseas Security Advisory Council (OSAC) Meeting Notice... Security Advisory Council on November 16, 17, and 18 at the U.S. Department of State, Washington DC...
Attitudes towards Discrimination and Affirmative Action for Minorities and Women.
ERIC Educational Resources Information Center
Seltzer, Richard; Thompson, Edward, III
Public attitudes toward affirmative action and racial discrimination were measured in a telephone survey of 648 respondents in the Washington, DC metropolitan area. In addition to focusing on how government affirmative action policies impact on racial minorities and women, the study investigated individual attitudes on the extent of racial…
The Model Analyst’s Toolkit: Scientific Model Development, Analysis, and Validation
2015-05-20
biased for a variety of reasons, and neurological and physiological data can be corrupted by broken or improperly used sensors. If it were possible...War and Development Policy. Washington, DC: World Bank and Oxford University Press. Collier, P. and Hoeffler, A. (2004). " Greed and Grievances in
78 FR 71528 - Federal Management Regulation (FMR); Transportation Payment and Audit
Federal Register 2010, 2011, 2012, 2013, 2014
2013-11-29
... and contact information of the Civilian Board of Contract Appeals (CBCA) from the previously named... INFORMATION CONTACT: For clarification of content, contact Lee Gregory, Office of Government-wide Policy, at... schedules, contact the Regulatory Secretariat (MVCB), 1800 F Street NW., Washington, DC 20405, 202-501-4755...
An Organization Development Approach to Technology Transfer in the National Forest Service.
1981-09-01
environmental influences such as governmental intervention. Meyer [Ref. 23: pp. 56-57] illustrates this point by presenting an analogy involving the automobile ...Command Washington, D.C. 20370 23. Director for HRM Plans and Policy (OP-150) 1 Human Resource Management Division Deputy Chief of Naval Operations
Higher Education for One World or for Two?
ERIC Educational Resources Information Center
Dickson, David
Federal City College (FCC) in Washington, D.C., the youngest land-grant college in the nation, had an auspicious beginning. It was generously endowed, enthusiastically received, enjoyed enlightened leadership, a dedicated faculty, an open admission policy, and an innovative curriculum in which most courses were interdisciplinary, problem-oriented…
DOT National Transportation Integrated Search
2004-11-30
The purpose of the report is to answer two broad research questions: (1) how is environmental justice in transportation addressed and : implemented to take into account low-income populations and minority communities and their needs, problems, and as...
Saudi Arabia: Background and U.S. Relations
2010-06-14
rights. 21 Ambassador Chas Freeman, President of the Middle East Policy Council, served as U.S. Ambassador to Saudi Arabia from 1989 to 1992. Tabassum ...U.S. Policymakers Conference, Washington, DC, October 15, 2009. 24 Tabassum Zakaria, “Analysis—Saudi smile likely for Bush on oil plea, not more
Lee, Hedwig; Kershaw, Kiarri N; Hicken, Margaret T; Abdou, Cleopatra M; Williams, Eric S; Rivera-O'Reilly, Nereida; Jackson, James S
2013-01-01
Consistent findings show that black Americans have high rates of cardiovascular disease (CVD) and related behavioral risk factors. Despite this body of work, studies on black Americans are generally limited to the 50 U.S. states. We examined variation in CVD and related risk factors among black Americans by comparing those residing within the U.S. Virgin Islands (USVI) with those residing in the 50 U.S. states and Washington, D.C. (US 50/DC) and residing in different regions of the US 50/DC (Northeast, Midwest, South, and West). Using data from the 2007 and 2009 Behavioral Risk Factor Surveillance System, we compared CVD and CVD risk factor prevalence in non-Hispanic black people (≥20 years of age) in the USVI and US 50/DC, examining the relative contributions of health behaviors, health insurance, and socioeconomic status (SES). Accounting for age, sex, education, health insurance, and health behaviors, US 50/DC black Americans were significantly more likely than USVI black people to report ever having a stroke and coronary heart disease, and to be hypertensive, diabetic, or obese. While there was heterogeneity by region, similar patterns emerged when comparing the USVI with different regions of the US 50/DC. USVI black people have lower CVD and risk factor prevalence than US 50/DC black people. These lower rates are not explained by differences in health behaviors or SES. Understanding health in this population may provide important information on the etiology of racial/ethnic variation in health in the U.S. and elsewhere, and highlight relevant public health policies to reduce racial/ethnic group disparities.
Third-rank chromatic aberrations of electron lenses.
Liu, Zhixiong
2018-02-01
In this paper the third-rank chromatic aberration coefficients of round electron lenses are analytically derived and numerically calculated by Mathematica. Furthermore, the numerical results are cross-checked by the differential algebraic (DA) method, which verifies that all the formulas for the third-rank chromatic aberration coefficients are completely correct. It is hoped that this work would be helpful for further chromatic aberration correction in electron microscopy. Copyright © 2017 Elsevier B.V. All rights reserved.
Cuba: Multidimensional numerical integration library
NASA Astrophysics Data System (ADS)
Hahn, Thomas
2016-08-01
The Cuba library offers four independent routines for multidimensional numerical integration: Vegas, Suave, Divonne, and Cuhre. The four algorithms work by very different methods, and can integrate vector integrands and have very similar Fortran, C/C++, and Mathematica interfaces. Their invocation is very similar, making it easy to cross-check by substituting one method by another. For further safeguarding, the output is supplemented by a chi-square probability which quantifies the reliability of the error estimate.
A PARAMETRIC STUDY OF BCS RF SURFACE IMPEDANCE WITH MAGNETIC FIELD USING THE XIAO CODE
DOE Office of Scientific and Technical Information (OSTI.GOV)
Reece, Charles E.; Xiao, Binping
2013-09-01
A recent new analysis of field-dependent BCS rf surface impedance based on moving Cooper pairs has been presented.[1] Using this analysis coded in Mathematica TM, survey calculations have been completed which examine the sensitivities of this surface impedance to variation of the BCS material parameters and temperature. The results present a refined description of the "best theoretical" performance available to potential applications with corresponding materials.
Cigarette smoking among immigrant Salvadoreans in Washington, DC: behaviors, attitudes, and beliefs.
Shankar, S; Gutierrez-Mohamed, M L; Alberg, A J
2000-01-01
There has been an influx of immigrants from El Salvador to the Washington, DC (DC) area, but little is known about the health behaviors of this population. This study was conducted to describe the prevalence of cigarette smoking among adult Salvadorean immigrants to the DC area. Bilingual interviewers administered a face-to-face interview to participants recruited from throughout the community. Complete data were available for 1,458 participants: 10.8% of those surveyed were current smokers and 11.7% were former smokers. Men were significantly more likely than women to have ever smoked either in the past (adjusted prevalence difference [PD = 21.0%] or currently (PD = 21.2%). The respondents tended to believe that smoking was a "habit" rather than an addition. Only 16% lived in households where smoking was permitted, and the majority supported smoke-free policies in public places, with men and current smokers being less permissive. The smoking behavior exclusively represented the smoking pattern that the Salvadoreans had adopted before immigration. The data suggest that smoking control strategies aimed at this population should seek to reduce the onset of smoking among men and continue to keep smoking among women rare.
[Environmental health: the evolution of Colombia's current regulatory framework].
García-Ubaque, Cesar A; García-Ubaque, Juan C; Vaca-Bohórquez, Martha L
2013-01-01
This essay presents an analysis of the evolution of environmental health management in Colombia, covering the period from the introduction of the Colombian Healthcare Code (1979) to laws 99 and 100 in 1993 and the introduction of Environmental Health Policy in Bogotá DC (2011). It proposes a conceptual model for environmental health management at three levels: proximal (physical, chemical and biological setting), intermediate (natural and cultural environment) and distal (economic, political and social structures). Relevant aspects of environmental health policy in Bogotá are analysed based on the proposed model.
An Analysis of National Aviation Policy with Respect to America’s Strategic Airlift Capability.
1984-01-01
Aeronautics Act Annotated (Washington, D.C.: National Law Book Company, 1939), p. 18. 3Ibid. 195 34 Air Mail Act of 1925, Statutes at Large, 43, Section...addition, the U.S. 11 7Nawal K. Taneja, U.S. International Aviation Policy (Lexington, MA: Lexington Books , 1980), p. 8. ll8Ibid., p. 9. 1 19Ibid. .... .7...Airline Industry (Lexington, MA: Lexington Books , 1976), p. 8. 123 U.S. Statutes at Large, Vol. 60, pt. 2, p. 1515. 124Taneja, U.S. International
PyR@TE. Renormalization group equations for general gauge theories
NASA Astrophysics Data System (ADS)
Lyonnet, F.; Schienbein, I.; Staub, F.; Wingerter, A.
2014-03-01
Although the two-loop renormalization group equations for a general gauge field theory have been known for quite some time, deriving them for specific models has often been difficult in practice. This is mainly due to the fact that, albeit straightforward, the involved calculations are quite long, tedious and prone to error. The present work is an attempt to facilitate the practical use of the renormalization group equations in model building. To that end, we have developed two completely independent sets of programs written in Python and Mathematica, respectively. The Mathematica scripts will be part of an upcoming release of SARAH 4. The present article describes the collection of Python routines that we dubbed PyR@TE which is an acronym for “Python Renormalization group equations At Two-loop for Everyone”. In PyR@TE, once the user specifies the gauge group and the particle content of the model, the routines automatically generate the full two-loop renormalization group equations for all (dimensionless and dimensionful) parameters. The results can optionally be exported to LaTeX and Mathematica, or stored in a Python data structure for further processing by other programs. For ease of use, we have implemented an interactive mode for PyR@TE in form of an IPython Notebook. As a first application, we have generated with PyR@TE the renormalization group equations for several non-supersymmetric extensions of the Standard Model and found some discrepancies with the existing literature. Catalogue identifier: AERV_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AERV_v1_0.html Program obtainable from: CPC Program Library, Queen’s University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.: 924959 No. of bytes in distributed program, including test data, etc.: 495197 Distribution format: tar.gz Programming language: Python. Computer: Personal computer. Operating system: Tested on Fedora 15, MacOS 10 and 11, Ubuntu 12. Classification: 11.1. External routines: SymPy, PyYAML, NumPy, IPython, SciPy Nature of problem: Deriving the renormalization group equations for a general quantum field theory. Solution method: Group theory, tensor algebra Running time: Tens of seconds per model (one-loop), tens of minutes (two-loop)
Cigarette price variation around high schools: evidence from Washington DC.
Cantrell, Jennifer; Ganz, Ollie; Anesetti-Rothermel, Andrew; Harrell, Paul; Kreslake, Jennifer M; Xiao, Haijun; Pearson, Jennifer L; Vallone, Donna; Kirchner, Thomas R
2015-01-01
This study examines lowest cigarette prices in all tobacco retail outlets in Washington D.C. (n=750) in relation to the type and number of high schools nearby, controlling for confounders. The lowest overall and Newport menthol prices were significantly lower at outlets near public non-charter and charter schools compared with outlets near private schools. Given higher smoking prevalence and more price-sensitive youth subgroups in U.S. public schools, exposure to low prices may contribute to tobacco-related health disparities in minority and low-income populations. Tobacco taxes combined with policies to minimize the increasing use of price as a marketing tool are critical. Copyright © 2014 Elsevier Ltd. All rights reserved.
Gauging the Gaps: A Deeper Look at Student Achievement. K-12 Policy
ERIC Educational Resources Information Center
Rowan, Anna Habash; Hall, Daria; Haycock, Kati
2010-01-01
Leaders in schools, districts, and states, along with policymakers in Washington, D.C., are focusing new energy on closing long-standing gaps in performance that separate low-income students and students of color from others. It's critically important that their efforts succeed--for students, their families, their communities, and for their…
Federal Restrictions on Educational Research: Privacy Protection Study Commission Hearings
ERIC Educational Resources Information Center
Michael, John; Weinberg, JoAnn
1977-01-01
The Privacy Protection Study Commission (PPSC) held public hearings on personal data record-keeping policies and practices in educational institutions in Los Angeles in October and in Washington, D.C. in November, 1976. Under consideration were the protections afforded parents and students by the Family Educational Rights and Privacy Act.…
Early Returns on District of Columbia Charter Schools. Capital Campaign
ERIC Educational Resources Information Center
Mead, Sara
2005-01-01
In this report for the Progressive Policy Institute's 21st Century Schools Project, the author examines charter schooling in Washington, D.C., including the region's unique history of charter schooling and the challenges these schools face. She is optimistic about the future of the District's charter school movement, but argues that District and…
Educators Flock to NPS amidst Concerns about Budget Cuts
ERIC Educational Resources Information Center
Emeagwali, N. Susan
2011-01-01
At a time of intense politicking on Capitol Hill as legislators work feverishly to cut federal spending, and amidst more threats to slash Perkins funding, career and technical education (CTE) professionals from around the country converged on Washington, D.C., to attend the Association for Career and Technical Education's National Policy Seminar…
75 FR 33838 - National Environmental Policy Act; Scientific Balloon Program
Federal Register 2010, 2011, 2012, 2013, 2014
2010-06-15
... may be viewed at the following locations: (a) Fort Sumner Public Library, 235 West Sumner Avenue, Fort Sumner, New Mexico 88119 (575-355-2832). (b) Palestine Public Library, 1101 North Cedar Street, Palestine, Texas 75801 (903-729-4121). (c) NASA Headquarters Library, Room 1J20, 300 E Street, SW., Washington, DC...
10 CFR 1004.3 - Public reading facilities and policy on contractor records.
Code of Federal Regulations, 2010 CFR
2010-01-01
.... 1004.3 Section 1004.3 Energy DEPARTMENT OF ENERGY (GENERAL PROVISIONS) FREEDOM OF INFORMATION § 1004.3... Freedom of Information Office, 1000 Independence Avenue, SW, Washington, DC. A complete listing of other facilities is available from the Freedom of Information Officer at DOE Headquarters. (b) Each of the...
75 FR 38812 - Sunshine Act Notice
Federal Register 2010, 2011, 2012, 2013, 2014
2010-07-06
... FEDERAL ELECTION COMMISSION Sunshine Act Notice DATE AND TIME: Thursday, July 1, 2010, at 10 a.m. PLACE: 999 E Street, NW., Washington, DC (Ninth Floor). STATUS: This meeting will be open to the public. Items To Be Discussed Correction and Approval of Minutes. Discussion of Audit Policies and Procedures. Report of the Audit Division on the...
7 CFR 1.602 - What terms are used in this subpart?
Code of Federal Regulations, 2014 CFR
2014-01-01
... participate. FERC means the Federal Energy Regulatory Commission. Forest Service means the USDA Forest Service..., 1400 Independence Ave., SW., Washington, DC 20250; phone: 202-720-4443, facsimile: 202-720-9776... comply with the requirements of the National Environmental Policy Act of 1969, 42 U.S.C. 4321 et seq. NFS...
7 CFR 1.602 - What terms are used in this subpart?
Code of Federal Regulations, 2011 CFR
2011-01-01
... participate. FERC means the Federal Energy Regulatory Commission. Forest Service means the USDA Forest Service..., 1400 Independence Ave., SW., Washington, DC 20250; phone: 202-720-4443, facsimile: 202-720-9776... comply with the requirements of the National Environmental Policy Act of 1969, 42 U.S.C. 4321 et seq. NFS...
7 CFR 1.602 - What terms are used in this subpart?
Code of Federal Regulations, 2012 CFR
2012-01-01
... participate. FERC means the Federal Energy Regulatory Commission. Forest Service means the USDA Forest Service..., 1400 Independence Ave., SW., Washington, DC 20250; phone: 202-720-4443, facsimile: 202-720-9776... comply with the requirements of the National Environmental Policy Act of 1969, 42 U.S.C. 4321 et seq. NFS...
7 CFR 1.602 - What terms are used in this subpart?
Code of Federal Regulations, 2013 CFR
2013-01-01
... participate. FERC means the Federal Energy Regulatory Commission. Forest Service means the USDA Forest Service..., 1400 Independence Ave., SW., Washington, DC 20250; phone: 202-720-4443, facsimile: 202-720-9776... comply with the requirements of the National Environmental Policy Act of 1969, 42 U.S.C. 4321 et seq. NFS...
7 CFR 1.602 - What terms are used in this subpart?
Code of Federal Regulations, 2010 CFR
2010-01-01
... participate. FERC means the Federal Energy Regulatory Commission. Forest Service means the USDA Forest Service..., 1400 Independence Ave., SW., Washington, DC 20250; phone: 202-720-4443, facsimile: 202-720-9776... comply with the requirements of the National Environmental Policy Act of 1969, 42 U.S.C. 4321 et seq. NFS...
ERIC Educational Resources Information Center
Library of Congress, Washington, DC.
The Library of Congress hosted a 1-day conference, "Delivering Electronic Information in a Knowledge-Based Democracy" to explore the public policy framework essential to creating electronic information resources and making them broadly available. Participants from a variety of sectors contributed to wide-ranging discussions on issues…
Federal Register 2010, 2011, 2012, 2013, 2014
2012-08-29
... DEPARTMENT OF EDUCATION Notice of Submission for OMB Review; Office of Planning, Evaluation and..., including technical assistance to improve the quality of evaluations and performance reporting; and how to.... Department of Education, 400 Maryland Avenue SW., LBJ, Washington, DC 20202-4537. Copies of the proposed...
Federal Register 2010, 2011, 2012, 2013, 2014
2012-08-30
... DEPARTMENT OF EDUCATION Notice of Submission for OMB Review; Office of Planning, Evaluation and..., including technical assistance to improve the quality of evaluations and performance reporting; and how to.... Department of Education, 400 Maryland Avenue SW, LBJ, Washington, DC 20202-4537. Copies of the proposed...
Educating Policymakers: 2006 NPS Arms Educators
ERIC Educational Resources Information Center
Techniques: Connecting Education and Careers, 2006
2006-01-01
This article reports that at the 2006 ACTE National Policy Seminar, nearly 500 career and technical educators gathered in Washington, DC, in March to learn about what is happening with Perkins, receive tips on working with the media, and voice their opinions with their federal representatives. Attendees left this session armed with the statistics…
School Closings Policy. Issue Brief
ERIC Educational Resources Information Center
Research For Action, 2013
2013-01-01
The nation's largest school districts have increasingly turned to building closures to address budget deficits, demographic shifts, and the movement of students to charter schools. Over the past decade, 70 large or mid-sized cities closed schools--averaging 11 buildings per closure. This trend shows no signs of slowing. Washington, D.C. closed 23…
Federal Register 2010, 2011, 2012, 2013, 2014
2010-12-06
...., Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. Fax: (202) 493... to fully investigate the proposal's potential negative impact on the industry and because of the impact of upcoming holidays on their opportunity to provide meaningful comments. Extension of Comment...
12 CFR 5.2 - Rules of general applicability.
Code of Federal Regulations, 2010 CFR
2010-01-01
... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Rules of general applicability. 5.2 Section 5.2 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY RULES, POLICIES, AND... the Currency, 250 E Street, SW., Washington, DC 20219-0001. (d) Electronic filing. The OCC may permit...
12 CFR 5.2 - Rules of general applicability.
Code of Federal Regulations, 2011 CFR
2011-01-01
... 12 Banks and Banking 1 2011-01-01 2011-01-01 false Rules of general applicability. 5.2 Section 5.2 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY RULES, POLICIES, AND... the Currency, 250 E Street, SW., Washington, DC 20219-0001. (d) Electronic filing. The OCC may permit...
Leadership Conference on Medical Education in Substance Abuse (Washington, DC, December 1-2, 2004)
ERIC Educational Resources Information Center
Office of National Drug Control Policy, 2004
2004-01-01
In December 2004, the Office of National Drug Control Policy (ONDCP) in the Executive Office of the President hosted an important Leadership Conference on Medical Education in Substance Abuse. The conference brought together leaders of private sector organizations, Federal agencies, organized medicine, and licensure and certification bodies to…
ERIC Educational Resources Information Center
Freeman, Rebecca D.
1995-01-01
Based on a two-year ethnographic and discourse analytic study of Oyster Bilingual School in Washington, DC, this article illustrates what educational opportunity means for the linguistically, culturally, and economically diverse student population participating in a successful two-way Spanish-English bilingual program. Presents micro-level…
Breakfast and Learning in Children. Symposium Proceedings (Washington, DC, April 22, 1999).
ERIC Educational Resources Information Center
Food, Nutrition, and Consumer Services (USDA), Washington, DC. Center for Nutrition Policy and Promotion.
Noting that many schools do not participate in the U.S. Department of Agriculture's School Breakfast Program despite evidence that poor nutrition affects children's school attendance and performance, this document presents the proceedings of a 1999 symposium on links between breakfast and school performance and the implications for public policy.…
Jencks Comment on Downey and Condron
ERIC Educational Resources Information Center
Jencks, Christopher
2016-01-01
Christopher Jencks is the Malcolm Wiener Professor of Social Policy at the Harvard Kennedy School. Here he comments that Downey and Condron (2016) (DC) argue that the sociology of education suffers from a one-sided view of schools' contribution to inequality. He agrees that most sociologists who study what goes on inside schools tend to portray…
Pluralism, Place, and Gertrude Bonnin's Counternativism from Utah to Washington, DC
ERIC Educational Resources Information Center
Newmark, Julianne
2012-01-01
In the first three decades of the twentieth century, racial nativism wielded considerable direct and indirect influence on policies that affected broader American attitudes concerning Native American people. In this three-decade period, many factors caused the kinds of national insecurity and instability that make a cultural climate ripe for…
How People Think About: College Prices, Quality, and Financial Aid
ERIC Educational Resources Information Center
Shireman, Robert; Baum, Sandy; Steele, Patricia
2012-01-01
Over the past year, the authors have discussed college prices, college quality, and student financial aid with elected officials and staff from several state legislatures, financial aid administrators from a variety of campuses, and policy analysts from Washington DC advocacy organizations. They have also been able to informally gain insights at…
From Essential Learnings to Tasmania's Curriculum: Will this Change Improve Curriculum Reform?
ERIC Educational Resources Information Center
Watt, Michael G.
2007-01-01
The purpose of this paper was to evaluate initiatives the state government announced in 2006 to review the curriculum and assessments, and enhance capacity building and accountability. The methodology for reviewing states' systemic reform policies devised by Achieve, an organisation based in Washington, DC, was applied to identify issues and…
ERIC Educational Resources Information Center
Rolla San Francisco, Andrea; Arias, Melissa; Villers, Renata; Snow, Catherine
2006-01-01
Grade retention has been the de facto policy for children with academic difficulties in many Latin American countries [Schiefelbein, E., & Wolff, L. (1992). "Repetition and inadequate achievement in Latin America's primary schools: a review of magnitudes, causes, relationships, and strategies." Washington, DC: World Bank.]. In Costa…
Written Testimony on Nontraditional Students Submitted for September 30, 2011 ACSFA Hearing
ERIC Educational Resources Information Center
Advisory Committee on Student Financial Assistance, 2011
2011-01-01
The Advisory Committee on Student Financial Assistance held a public hearing in Washington DC on Friday last September 30, 2011. Three questions drove the discussion: (1) What are the primary barriers to access and persistence for nontraditional students?; (2) What are the most promising state and institutional strategies and policies for…
Strengthening Families in Illinois: Increasing Family Engagement in Early Childhood Programs
ERIC Educational Resources Information Center
Jor'dan, Jamilah R.; Wolf, Kathy Goetz; Douglass, Anne
2012-01-01
Strengthening Families is a relationship-based child abuse and neglect prevention initiative started nationally in 2001 through a partnership between the Doris Duke Charitable Foundation and the Center for the Study of Social Policy (CSSP) in Washington, DC. Thirty-five states and several thousand early childhood programs nationwide implement…
New developments in FeynCalc 9.0
NASA Astrophysics Data System (ADS)
Shtabovenko, Vladyslav; Mertig, Rolf; Orellana, Frederik
2016-10-01
In this note we report on the new version of FEYNCALC, a MATHEMATICA package for symbolic semi-automatic evaluation of Feynman diagrams and algebraic expressions in quantum field theory. The main features of version 9.0 are: improved tensor reduction and partial fractioning of loop integrals, new functions for using FEYNCALC together with tools for reduction of scalar loop integrals using integration-by-parts (IBP) identities, better interface to FEYNARTS and support for SU(N) generators with explicit fundamental indices.
New Double-Periodic Soliton Solutions for the (2+1)-Dimensional Breaking Soliton Equation
NASA Astrophysics Data System (ADS)
Liu, Jian-Guo; Tian, Yu
2018-05-01
Under investigation is the (2+1)-dimensional breaking soliton equation. Based on a special ansätz functions and the bilinear form, some entirely new double-periodic soliton solutions for the (2+1)-dimensional breaking soliton equation are presented. With the help of symbolic computation software Mathematica, many important and interesting properties for these obtained solutions are revealed with some figures. Supported by National Natural Science Foundation of China under Grant No. 61377067
Processing digital images and calculation of beam emittance (pepper-pot method for the Krion source)
NASA Astrophysics Data System (ADS)
Alexandrov, V. S.; Donets, E. E.; Nyukhalova, E. V.; Kaminsky, A. K.; Sedykh, S. N.; Tuzikov, A. V.; Philippov, A. V.
2016-12-01
Programs for the pre-processing of photographs of beam images on the mask based on Wolfram Mathematica and Origin software are described. Angles of rotation around the axis and in the vertical plane are taken into account in the generation of the file with image coordinates. Results of the emittance calculation by the Pep_emit program written in Visual Basic using the generated file in the test mode are presented.
Computerized proof techniques for undergraduates
NASA Astrophysics Data System (ADS)
Smith, Christopher J.; Tefera, Akalu; Zeleke, Aklilu
2012-12-01
The use of computer algebra systems such as Maple and Mathematica is becoming increasingly important and widespread in mathematics learning, teaching and research. In this article, we present computerized proof techniques of Gosper, Wilf-Zeilberger and Zeilberger that can be used for enhancing the teaching and learning of topics in discrete mathematics. We demonstrate by examples how one can use these computerized proof techniques to raise students' interests in the discovery and proof of mathematical identities and enhance their problem-solving skills.
Self-stress control of real civil engineering tensegrity structures
NASA Astrophysics Data System (ADS)
Kłosowska, Joanna; Obara, Paulina; Gilewski, Wojciech
2018-01-01
The paper introduces the impact of the self-stress level on the behaviour of the tensegrity truss structures. Displacements for real civil engineering tensegrity structures are analysed. Full-scale tensegrity tower Warnow Tower which consists of six Simplex trusses is considered in this paper. Three models consisting of one, two and six modules are analysed. The analysis is performed by the second and third order theory. Mathematica software and Sofistik programme is applied to the analysis.
Discrete mathematics course supported by CAS MATHEMATICA
NASA Astrophysics Data System (ADS)
Ivanov, O. A.; Ivanova, V. V.; Saltan, A. A.
2017-08-01
In this paper, we discuss examples of assignments for a course in discrete mathematics for undergraduate students majoring in business informatics. We consider several problems with computer-based solutions and discuss general strategies for using computers in teaching mathematics and its applications. In order to evaluate the effectiveness of our approach, we conducted an anonymous survey. The results of the survey provide evidence that our approach contributes to high outcomes and aligns with the course aims and objectives.
Impact of public electric vehicle charging infrastructure
DOE Office of Scientific and Technical Information (OSTI.GOV)
Levinson, Rebecca S.; West, Todd H.
Our work uses market analysis and simulation to explore the potential of public charging infrastructure to spur US battery electric vehicle (BEV) sales, increase national electrified mileage, and lower greenhouse gas (GHG) emissions. By employing both scenario and parametric analysis for policy driven injection of public charging stations we find the following: (1) For large deployments of public chargers, DC fast chargers are more effective than level 2 chargers at increasing BEV sales, increasing electrified mileage, and lowering GHG emissions, even if only one DC fast charging station can be built for every ten level 2 charging stations. (2) Amore » national initiative to build DC fast charging infrastructure will see diminishing returns on investment at approximately 30,000 stations. (3) Some infrastructure deployment costs can be defrayed by passing them back to electric vehicle consumers, but once those costs to the consumer reach the equivalent of approximately 12¢/kWh for all miles driven, almost all gains to BEV sales and GHG emissions reductions from infrastructure construction are lost.« less
Impact of public electric vehicle charging infrastructure
Levinson, Rebecca S.; West, Todd H.
2017-10-16
Our work uses market analysis and simulation to explore the potential of public charging infrastructure to spur US battery electric vehicle (BEV) sales, increase national electrified mileage, and lower greenhouse gas (GHG) emissions. By employing both scenario and parametric analysis for policy driven injection of public charging stations we find the following: (1) For large deployments of public chargers, DC fast chargers are more effective than level 2 chargers at increasing BEV sales, increasing electrified mileage, and lowering GHG emissions, even if only one DC fast charging station can be built for every ten level 2 charging stations. (2) Amore » national initiative to build DC fast charging infrastructure will see diminishing returns on investment at approximately 30,000 stations. (3) Some infrastructure deployment costs can be defrayed by passing them back to electric vehicle consumers, but once those costs to the consumer reach the equivalent of approximately 12¢/kWh for all miles driven, almost all gains to BEV sales and GHG emissions reductions from infrastructure construction are lost.« less
SSSA Outreach: Dig It: The Secrets of Soil, Public Service Announcements, and Science Policy Efforts
NASA Astrophysics Data System (ADS)
Pierzynski, Gary M.; Megonigal, Patrick; Glasener, Karl; Bergfeld, Ellen; Brevik, Eric
2013-04-01
The Soil Science Society of America has invested heavily in two significant outreach efforts to help raise awareness of the soil resource among the general public and with elected officials and relevant federal agencies in Washington DC. Dig It: The Secrets of Soil began as an exhibit at the Smithsonian National Museum of Natural History and ran from July 2008 through January 2010. The exhibit was rich in the use of audio-visual elements and contained a collection of the state soils from all 50 states and numerous interactive displays for all ages. Variations of the exhibit have been on display at three locations outside of Washington DC with the current location being the Bell Museum of Natural History in Minneapolis. The exhibit has been extremely successful in elevating awareness of soils to audiences with little preconceived knowledge on the subject. The success of the Dig It exhibit encouraged SSSA to further invest in three public service announcements that have been widely distributed with 570 downloads and >17,000 views (in English and Spanish) on YouTube and the I "Heart" Soil web site. In addition, I "Heart" Soil stickers were developed and >50,000 have been requested and distributed. Our Science Policy Office has recently been expanded based on evidence of positive impact in Washington DC. The formation of the Congressional Soils Caucus has increased awareness of soils within the House of Representatives and is being expanded to the Senate. A new Urban Lands Coalition has been developed that will greatly expand awareness of the value of soils in urban environments, particularly for elected officials. The Science Policy office organizes member visits with elected officials to advocate for science funding, agency visits to promote awareness of the discipline among a wide ranging of funding sources for research, has had substantial impact on a number of high profile reports, and works closely with allied scientific and professional organizations with common interests.
ERIC Educational Resources Information Center
Akiba, Motoko; Cockrell, Karen Sunday; Simmons, Juanita Cleaver; Han, Seunghee; Agarwal, Geetika
2010-01-01
State departments of education can play an important role in preparing teachers for effectively teaching diverse learners in our schools through state policies and standards on teacher certification and teacher education program accreditation. We conducted a content analysis of state standards on teacher certification and program accreditation in…
76 FR 50734 - HIT Policy Committee Advisory Meeting; Notice of Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2011-08-16
...://healthit.hhs.gov . Contact Person: Judy Sparrow, Office of the National Coordinator, HHS, 330 C Street, SW., Washington, DC 20201, 202-205-4528, Fax: 202- 690-6079, e-mail: judy.sparrow@hhs.gov . Please call the... contact Judy Sparrow at least seven (7) days in advance of the meeting. ONC is committed to the orderly...
Federal Register 2010, 2011, 2012, 2013, 2014
2010-04-26
.... Contact Person: Judy Sparrow, Office of the National Coordinator, HHS, 330 C Street, SW., Washington, DC 20201, 202-205- 4528, Fax: 202-690-6079, e-mail: judy.sparrow@hhs.gov . Please call the contact person... that day. If you require special accommodations due to a disability, please contact Judy Sparrow at...
76 FR 28783 - HIT Policy Committee Advisory Meeting; Notice of Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2011-05-18
..., http://healthit.hhs.gov . Contact Person: Judy Sparrow, Office of the National Coordinator, HHS, 330 C Street, SW., Washington, DC 20201, 202-205-4528, Fax: 202- 690-6079, e-mail: judy.sparrow@hhs.gov... accommodations due to a disability, please contact Judy Sparrow at least seven (7) days in advance of the meeting...
76 FR 22397 - HIT Policy Committee Advisory Meeting; Notice of Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2011-04-21
..., http://healthit.hhs.gov . Contact Person: Judy Sparrow, Office of the National Coordinator, HHS, 330 C Street, SW., Washington, DC 20201, 202-205-4528, Fax: 202- 690-6079, e-mail: judy.sparrow@hhs.gov... accommodations due to a disability, please contact Judy Sparrow at least seven (7) days in advance of the meeting...
75 FR 21629 - HIT Policy Committee Advisory Meeting; Notice of Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2010-04-26
... location. Contact Person: Judy Sparrow, Office of the National Coordinator, HHS, 330 C Street, SW., Washington, DC 20201, 202-205- 4528, Fax: 202-690-6079, e-mail: judy.sparrow@hhs.gov . Please call the... accommodations due to a disability, please contact Judy Sparrow at least seven (7) days in advance of the meeting...
76 FR 46298 - HIT Policy Committee Advisory Meeting; Notice of Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2011-08-02
...://healthit.hhs.gov . Contact Person: Judy Sparrow, Office of the National Coordinator, HHS, 330 C Street, SW., Washington, DC 20201, 202-205- 4528, Fax: 202-690-6079, e-mail: judy.sparrow@hhs.gov . Please call the... a disability, please contact Judy Sparrow at least seven (7) days in advance of the meeting. ONC is...
ERIC Educational Resources Information Center
Teich, Albert H., Ed.; Weinberg, Jill P., Ed.
Provided are papers and speeches presented at the Seventh Annual American Association for the Advancement of Science (AAAS) Colloquium on Research and Development (R&D) Policy. Presenters included key representatives of Congress, the Reagan administration, government agencies, and those involved in industry and university R&D. Major areas…
ERIC Educational Resources Information Center
National Center for Learning Disabilities, Inc., New York, NY.
Four videocassettes provide the presentations and discussion of four panels from a 1994 summit on the nation's responsibility in relation to individuals with learning disabilities. Each panel examined issues of research, public policy and legislation, good practices, and consumer interest within its area of concentration. The first panel was on…
The Local and the National in a Diverse County: Objectification as a Social and Policy Process
ERIC Educational Resources Information Center
Kuipers, Joel
2008-01-01
The rich diversity of suburban Washington DC's ethnic and linguistic communities flourish side by side with some of the most powerful homogenizing forces in the United States: National Bureau of Standards, National Institutes of Health, Food and Drug Administration, Department of Education. This concern on accommodating centralized standards--not…
NASA Astrophysics Data System (ADS)
1982-05-01
The federal governments' energy conservation programs were examined. Testimony regarding issues discussed at the hearing include: energy policy, benefits of energy conservation, state and local governments and private sector activities, successes and failures of federal programs, barriers to conservation and a continuing federal role.
ERIC Educational Resources Information Center
Department of Health, Education, and Welfare, Washington, DC.
This report of the education seminar held before media representatives contains statements by policy-level officials and technical experts in the Department of Health, Education and Welfare. Formal presentations are followed by question and answer sessions. Participants in the seminar include Lewis M. Helm, Assistant Secretary for Public Affairs;…
2011-05-19
Publishers Ltd, 2002), 248. 228 Ibid. 229 Hugh Chisholm, Encyclopedia Britannica (Eleventh Edition, Published 1910-11), Library of Fogg Museum of Art...Washington DC: National Defense University Press, 1986. Chisholm, Hugh. Encyclopedia Britannica (Eleventh Edition, Published 1910-11), Library of Fogg
Quality Schools, Healthy Neighborhoods, and the Future of DC: Policy Report
ERIC Educational Resources Information Center
Filardo, Mary; Allen, Marni; Huvendick, Nancy; Sung, Ping; Garrison, David; Turner, Margery Austin; Comey, Jennifer; Williams, Barika; Guernsey, Elizabeth
2008-01-01
Over the last decade, the District of Columbia implemented bold steps to improve its public schools while also experiencing population growth, property value increases, and strong city fiscal health. But its child population (0-17 years old) remained essentially the same and a dwindling share of the city's children was attending the public…
75 FR 79085 - Notice and Request for Comments on the Clarification of the Fireworks Approvals Policy
Federal Register 2010, 2011, 2012, 2013, 2014
2010-12-17
...., Washington, DC 20590. Background The pyrotechnic industry is a global logistics supply chain comprised of... position in the supply chain. It is unclear as to what was the justification for this action. Regardless... Docket Management System (FDMS), including any personal information. Docket: For access to the dockets to...
Dynamic Cross Domain Information Sharing - A Concept Paper on Flexible Adaptive Policy Management
2010-10-01
no read-up, no write-down” rule of the classical Bell-La Padula [1] model is becoming unten- able because of the increasing need to seamlessly handle...Elliott Bell, "Looking Back at the Bell-La Padula Model," , Washington, DC, USA, 2005. [2] (2009, Jan.) DISA NCES Website. [Online]. http://www.disa.mil
Evaluation of the DC Opportunity Scholarship Program: Impacts after One Year. NCEE 2007-4009
ERIC Educational Resources Information Center
Wolf, Patrick; Gutmann, Babette; Puma, Michael; Rizzo, Lou; Eissa, Nada; Silverberg, Marsha
2007-01-01
School choice remains an important part of the national discussion on education reform strategies and their benefits. While a variety of policies encourage parents' selection of schools for their children--for example, charter schools, magnet schools, and district open enrollment--scholarships that allow students to attend a private school have…
ERIC Educational Resources Information Center
Presperin, Jessica J., Ed.
This proceedings document contains approximately 250 papers and posters presented at a conference on the advancement of rehabilitation and assistive technology. Individual sessions included the following topics: augmentative and alternative communication, personal transportation, technology transfer, service delivery and public policy, computer…
Young Deafblind Adults in Action: Becoming Self-Determined Change Agents through Advocacy
ERIC Educational Resources Information Center
Bruce, Susan M.; Parker, Amy T.
2012-01-01
Six young deafblind adults took a 1-week course on civic engagement and advocacy, which provided the focus for a participatory action research study with a collective case study design. They selected advocacy topics, were briefed on these policy issues, and were paired with experienced mentors for meetings with legislators in Washington, DC. Eight…
ERIC Educational Resources Information Center
Gerald, Debra, E., Ed.
The 11th Federal Forecasters Conference provided a forum where 180 forecasters from different federal agencies and other organizations could meet and discuss forecasting in the United States. The theme for this conference was "Forecasting, Policy, and the Internet." In the morning session, a panel presentation featured three speakers. Neilson C.…
ERIC Educational Resources Information Center
C.A.S.E.T. Associates, Ltd., Fairfax, VA.
This publication contains the proceedings of a symposium on higher education finance and management which examined the current financial and managerial direction of colleges and universities. The event brought together institutional presidents and policy makers, corporate leaders, leading financiers, top college and government administrators,…
Work, Family, and Community: Summary Proceedings of an Ad Hoc Committee.
ERIC Educational Resources Information Center
Hayes, Cheryl D., Ed.
These proceedings contain summaries of five working group discussions and a discussion of suggestions for future research from an ad hoc meeting on Work, Family, and Community (Fedruary 21-22, 1980) in Washington, D.C. The meeting had these objectives: (1) to identify salient policy and research issues associated with changing patterns of labor…
ERIC Educational Resources Information Center
Chingos, Matthew M.; West, Martin R.
2015-01-01
Since 2002, public school teachers in Florida have been permitted to choose between a defined benefit (DB) and a defined contribution (DC) retirement plan. We exploit this unique policy environment to study new teachers' revealed preferences over pension plan structures. Roughly 30 percent of teachers hired between 2003 and 2008 selected the DC…
75 FR 80746 - Interpretation of Rest Requirements
Federal Register 2010, 2011, 2012, 2013, 2014
2010-12-23
... http://www.faa.gov/regulations_policies/ ; or (3) Accessing the Government Printing Office's Web page....A.A., 291 F.3d 49 (DC Cir. 2002) (upholding the validity of the Whitlow Letter). See, e.g., Mar. 18... 121.471(g) and 135.263(d) is interpreted in two different ways. See Air Transport Ass'n, 291 F.3d at...
ERIC Educational Resources Information Center
McNamara, Robert S.
The economic crisis in Sub-Saharan Africa threatens to condemn an entire continent to human misery unless stronger action is taken to control population growth, reverse ecological devastation, eliminate distortions in domestic economic policies, and increase external development finance. Substantial increases in financial assistance to Africa are…
Childhood Obesity: Causes and Prevention. Symposium Proceedings (Washington, DC, October 27, 1998).
ERIC Educational Resources Information Center
Food, Nutrition, and Consumer Services (USDA), Washington, DC. Center for Nutrition Policy and Promotion.
This report documents the proceedings of a 1998 symposium on the causes and prevention of childhood obesity sponsored by the U.S. Department of Agriculture (USDA) Center for Nutrition Policy and Promotion to focus attention on the growing problem of childhood obesity in the United States and the link between nutrition and health. Following opening…
Enhancement of the Monet/Atonet Washington DC Network
2003-01-01
Technologies Sponsored by Defense Advanced Research Projects Agency DARPA Order No. J792 APPROVED FOR PUBLIC RELEASE...representing the official policies, either expressed or implied, of the Defense Advanced Research Projects Agency or the U.S. Government...AIR FORCE RESEARCH LABORATORY INFORMATION DIRECTORATE ROME RESEARCH SITE ROME, NEW YORK This report has been reviewed by the Air Force
77 FR 25780 - Advisory Committee on the Secretary of State's Strategic Dialogue With Civil Society
Federal Register 2010, 2011, 2012, 2013, 2014
2012-05-01
... Dialogue With Civil Society ACTION: Notice of meeting. SUMMARY: Pursuant to the provisions of the Federal... Civil Society will convene in Washington, DC on May 16, 2012. The Committee provides advice on the formulation of U.S. policies, proposals, and strategies for engagement with, and protection of, civil society...
78 FR 4189 - Advisory Committee on the Secretary of State's Strategic Dialogue With Civil Society
Federal Register 2010, 2011, 2012, 2013, 2014
2013-01-18
... Dialogue With Civil Society ACTION: Notice of meeting. SUMMARY: Pursuant to the provisions of the Federal... Civil Society will convene in Washington, DC on March 12, 2013. The Committee provides advice on the formulation of U.S. policies, proposals, and strategies for engagement with, and protection of, civil society...
ERIC Educational Resources Information Center
Goldhaber, Dan; Grout, Cyrus; Holden, Kristian
2015-01-01
Traditional defined benefit (DB) pension systems in many states face large funding shortfalls. Movement toward defined contribution (DC) pension structures may reduce the likelihood of future shortfalls, but there is concern that such reforms may have the undesirable effect of increasing employee turnover. In studying patterns of employee turnover…
ERIC Educational Resources Information Center
Sonnenberg, William; And Others
The Second Annual Federal Forecasters Conference, "Forecasting and Public Policy", provided a forum where forecasters from various Federal agencies could meet and discuss aspects of forecasting in the U.S. Government. A total of 140 forecasters from 42 Federal agencies and other organizations attended the conference. Opening remarks by…
77 FR 22787 - HIT Policy Committee Advisory Meeting; Notice of Meeting
Federal Register 2010, 2011, 2012, 2013, 2014
2012-04-17
... consistent with the Federal Health IT Strategic Plan and that includes recommendations on the areas in which... will be held on May 2, 2012, from 9:30 a.m. to 3 p.m./Eastern Time. Location: Washington Marriott, Location: Holiday Inn Capitol, 550 C Street SW., Washington, DC 20024. For up-to-date information, go to...
78 FR 5837 - Notice of Lodging Proposed Consent Decree
Federal Register 2010, 2011, 2012, 2013, 2014
2013-01-28
... Policy, 28 CFR 50.7, notice is hereby given that a proposed Consent Decree in United States v. Porter... complaint filed by the United States against Wesley Porter, Wes Porter Development Company, LLC, Temple and... Division, P.O. Box 7611, Washington, DC 20044, and refer to United States v. Porter, DJ 90-5-1-1-18341. The...