 General Algebraic Modeling System  GAMS
A highlevel modeling system for mathematical programming problems. It consists of a language compiler and a stable of integrated highperformance solvers. GAMS is tailored for complex, large scale modeling applications, and allows you to build large
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 Generalized Logistic Equation  Douglas J. Ingalls
A logistics equation is one of the simpler chaos equations. This site explores the property of the general equation with respect to immigration/emigration of the world's population. Includes graphs and a QBASIC program for generating logistic graphs.
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 The Generalized Theory of Life  Vyacheslav L. Kalmykov; Institute of Cell Biophysics, Russian Academy of Sciences
A paper that presents an integrally generalized theory or conceptualization of life that includes elements of an axiomatic approach and is physically interpretable, formulated as the result of attempts to invent a holistic system of creative synthetic
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 Genetic Algorithms Archive  Alan C. Schultz, Naval Research Laboratory
A repository for information related to research in genetic algorithms. Contents include: Calendar of ECrelated events; GAList Archive: back issues, source code, information; Links to other GArelated information; Links to EC research groups' home pages;
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 GeoLib: C++ and C# Computational Geometry Library  Matthew Minor, GeoLib
C++ and C# library with help and explanations for all agorithms and concepts used. Demo versions available.
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 Geometria descrittiva e modellazione 3d  Hasan Isawi
In Italian: Questo Sito vuole affrontare quella parte teorica della geometria
descrittiva tenendo conto della potenzialità degli odierni strumenti della
computer grafica.
Ovvero, in considerazione del fatto che una volta completata la costruzione
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 Geometric Algorithms  Susan Landau; Univ. of Massachusetts at Amherst
Landau's interest in geometric algorithms has been in problems of an algebraic flavor: computeraided design, robotics, and other geometricrelated applications that have created a need for methods for embeddings, visualization, and algorithms for construction
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 Geometrical Physics  JeanPierre Petit
A site in French and English about the work and research of JP Petit, regarding physics, astrophysics, cosmology, mathematics and geometry. Contents include articles on: Initiation to physics geometrization; A cosmological model: The twin bang; Geometrical
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 Geometric and Solid Modeling  Computer Science Dept., Univ. of North Carolina at Chapel Hill (UNCCH)
One area of focus for the UNC Research Group on Modeling, PhysicallyBased
Simulation and Applications. The field of solid modeling deals with the design and representation of physical objects. The two major representation schemata used in solid modeling
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 Geometric Modelling Library  Renishaw plc
A C++ library of 3D geometric modeling algorithms and bespoke software development servicesf or complex geometric operations. Trial download available, as well as commercial, academic, and personal licenses.
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 Geometric Models (The Geometry Junkyard)  David Eppstein, Theory Group, ICS, UC Irvine
An extensive annotated list of links to material describing physical objects corresponding to geometric constructions (and methods for creating such objects), particularly polytopes.
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 Geometric Sculpture  George W. Hart
Geometric forms from the author of Multidimensional Analysis and the Encyclopedia of Polyhedra. As a sculptor of constructive geometric forms, Hart's work deals with patterns and relationships derived from classical ideals of balance and symmetry. He
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 Geometric Topology  Albert P. Carpenter
Photos of paper models both mathematical and molecular in nature "based on a new methodology for cognitive mathematics": tori and handlebodies, annuli and sieves, knots, Mobius strips and structures, exploded cluster polyhedra, and more.
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 Geometric Topology (The Geometry Junkyard)  David Eppstein, Theory Group, ICS, UC Irvine
An extensive annotated list of links to material in an area of mathematics that concerns the assignment of geometric structures to topological spaces, so
that they "look like" geometric spaces. For instance, compact twodimensional surfaces can have
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 Geometry Algorithms  Dan Sunday, softSurfer
Resources for developing geometry algorithms and computer graphics software: overviews, histories of geometry, a gift shop, and more. The archive of algorithms includes areas of triangles and polygons; lines and distances of a point to a line; fast winding
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 Geometry and Topology Journal  Mathematics Institute, University of Warwick
A fully refereed international journal, published in free electronic format and a paper version, dealing with all aspects of geometry and topology and their applications. The site offers main journal papers (in PostScript and PDF formats), research monographs,
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 geometryannouncements  Math Forum
A discussion group accessible as a Webbased discussion, a mailing list, or a Usenet newsgroup, for information about lectures, announcements, special meetings, and upcoming events concerning geometry. Read and search archived messages; and register to
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 The Geometry Center  University of Minnesota
The Center for the Computation and Visualization of Geometric Structures: an NSF Science and Technology Research Center. The Center has a unified mathematics computing environment supporting math and computer science research, mathematical visualization,
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 Geometry Discussion Groups  Math Forum
A gateway to the archives of the Math Forum's online electronic community comprising eight geometry discussion groups for all those interested in geometry. Access current news or follow a link to threaded past discussions to browse or search the archive
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 geometryforum  Math Forum
A discussion group accessible as a Webbased discussion, a mailing list, or a Usenet newsgroup. This was the main group for the Geometry Forum, the Math Forum's previous incarnation. Not currently used. Read and search archived messages.
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 Geometry Garret  Alan H. Schoen
A "potpourri of people, pictures, places, Penrose patterns, polyhedra, polyominoes, posters, posies, and puzzles," plus finite and infinite tilings by rhombs, rosettes and pseudorosettes, rombix, Kpatterns (images derived from partial sums of power
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 The Geometry Junkyard  David Eppstein, Theory Group, ICS, Univ. of California at Irvine
A collection of usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry  some serious and much also entertaining. Junk sorted into piles (Topics):
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 Geometry.Net
An online learning center offering extensive lists of links to sites with material in Basic Math; Pure and Applied Math; Computer & Internet; Technology; Biographers; Physics; Biology; and Sports.
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 Geometry of Harmonic Maps  Y. L. Lin, Fudan University, Shanghai, China
A book which, though not a complete description of the theory, provides an introduction and an approach useful to researchers and graduate students in differential geometry, geometric analysis, differential equations and theoretical physics. Harmonic
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 Geometry Playground  Daniel J. Heath, Joshua Jacobs
Geometry Playground is a straightedge and compass construction tool for multiple geometries. The Java code is opensource, and the accompanying wiki includes handson discovery activities.
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 geometryresearch  Math Forum
A discussion group accessible as a Webbased discussion, a mailing list, or a Usenet newsgroup, for research announcements, seminars, reviews, and abstracts of papers and discussions of same, and ideas for research. Read and search archived messages;
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 Geomview: 3D Visualization Software  The Geometry Center
An interactive program written by the staff of the Geometry Center for viewing and manipulating geometric objects. It can be used as a standalone viewer for static objects or as a display engine for other programs that produce dynamically changing geometry.
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 Georg Friedrich Bernhard Riemann (History of Mathematics Archive)  David R. Wilkins
A biography and selected papers of Bernhard Riemann, available online or for download in various formats. A lecture on geometry and the paper which contains the Riemann Hypothesis are available in English translation; the other papers remain in the original
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 The Geowall Consortium  Paul Morin, Peter van Keken, and Jason Leigh
The consortium aims to broaden the use of scientific visualization tools for Earth science research and education by the use of low cost virtual reality visualization devices, arguing that "A combination of new projection technology, fast graphics cards
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 Gerry Stahl's Website  Gerry Stahl
Publications, teaching, research, and more by the author of Constructing Dynamic Triangles Together, Group Cognition, and Translating Euclid, among others. The founding Executive Editor of the International Journal of CSCL (ijCSCL), Stahl has researched
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 Gesellschaft für Didaktik der Mathematik (GDM)
An organization that studies methods of teaching mathematics. More information is available in German.
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 G+ Homepage  Weidong Yuan
G+ is a common Genetic Algorithm control. It is a language independent
component which means it can be used in any language such as VB and
Delphi, as long as it supports COM standard. It has been tested under
various problems such as multivariable
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 Giacomo Lorenzoni
Download the author's programs, which include ThermalWall, for calculating fundamental dynamic thermal characteristics of walls composed of multiple homogeneous layers; and PEEI, for the numerical solution of systems of partial differential equations.
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 Gilbert Strang  Dept. of Mathematics, Massachusetts Institute of Technology (MIT)
Books and publications, including recent wavelet papers.
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 GiNaC is not a CAS  Bauer, Frink, Kreckel
GiNaC is an iterated and recursive abbreviation for "GiNaC is Not a CAS" (Computer Algebra System). It is designed to allow the creation of integrated systems that embed symbolic manipulations together with more established areas of computer science (like
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 G. J. Chaitin
Currently a member of the computer systems and software department at the IBM Watson Research Center in New York, Chaitin created algorithmic information theory, which combines, among other elements, Shannon's information theory and Turing's theory of
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 G J Chaitin Home Page  Greg Chaitin
From the author of Algorithmic Information Theory, Information, Randomness & Incompleteness, InformationTheoretic Incompleteness, The Limits of Mathematics, The Unknowable, Exploring Randomness, Conversations with a Mathematician, From Philosophy
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 Global Analysis Resource Center (GARC)
Initiated in 1991 as a Science Research Center funded by the Korea Science and Engineering Foundation (KOSEF). The main objective of GARC is the cooperative study of various analytic problems based on manifolds, encompassing analysis, differential geometry,
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 Global Optimization Algorithms  Theory and Application  Thomas Weise
Home page, featuring an ebook (PDF format, approximately 10MB) devoted to global optimization algorithms, which are methods of finding optimal solutions for given problems. It especially focuses on evolutionary computation by discussing evolutionary
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 Gmsh  JeanFrançois Remacle, Christophe Geuzaine
A threedimensional mesh generator, primarily Delaunay, with builtin pre and postprocessing facilities, freely available for most UNIX platforms. Demo files and a short manual page are provided.
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 GN General Topology (Front for the Mathematics ArXiv)  Univ. of California, Davis
General Topology preprints, from the U.C. Davis front end for the xxx.lanl.gov ePrint archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic.
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 GNU Octave  John W. Eaton, Dept. of Chemical Engineering, Univ. of Wisconsin
A highlevel language primarily intended for numerical computations. It provides a convenient command line interface for solving linear and nonlinear problems numerically. The site includes lists of updates, source and binaries, documentation (including
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 GNU Octave Repository
Custom scripts, functions and extensions to GNU Octave. Site includes alphabetical list of functions available for download and a related mailing list, with archives.
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 God's Number is 20  Tomas Rokicki
An outline explaining how every Rubik's Cube™ permutation can be solved in twenty moves or fewer, established algorithmically by machine proof in July, 2010. Read "How did we solve all 43,252,003,274,489,856,000 positions of the cube?" and "What
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 The Golden Section, Related to Music and Natural Sciences  Martin Morgenstern
An extended bibliography related to the golden section in music, mathematics, architecture, biology, etc. Articles and books are listed, and linked to Amazon.com or other sources for purchase where possible.
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 Google
A search engine that analyzes the way Web pages are linked to one another and automatically generates lists of Web resources based on frequency of linking.
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 Google Scholar  Google Labs
Google Scholar is a subset of the larger Google search index, consisting of fulltext journal articles, technical reports, preprints, theses, books, and other documents. Use the Advanced Scholar Search to confine search results to engineering, computer
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 Gordon Royle's Homepage: Research  Gordon Royle
Catalogues and tables of interesting combinatorial objects: small graphs, cubic graphs, symmetric cubic graphs, vertextransitive graphs, Cayley graphs (by group), vertextransitive cubic graphs, cubic cages and higher valency cages, planar graphs, cubic
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 Government Affairs and Education (AMS)  American Mathematical Society
Government Affairs: news from Washington on science funding; calls for action; policy statements; recent statements by the mathematical community; federal budget information; how to contact Congress; science policy events; and a link to the AMS Committee
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 Government Communications Headquarters  Government Communications Headquarters, United Kingdom
British intelligence: take a brief, illustrated tour of GCHQ history through World War I, World War II and cracking the German Enigma code, the Cold War, and the post Cold War world; read about career opportunities for mathematicians and others; apply
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