 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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 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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 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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 Gowers's Weblog  Timothy Gowers
Blog by a Cambridge University professor interested in analysis, combinatorics, arithmetic combinatorics, and "general questions about mathematics, and how it is discovered and transmitted  hence this blog." Posts, which date back to September, 2007
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 Graceful Graphs  Michael Brundage, Dept. of Mathematics, Univ. of Washington
A paper about current studies on graceful labeling of graphs. Of particular interest is the conjecture that all trees are graceful graphs. Includes: definition of a graceful graph; methods of labeling graphs; how many graceful graphs are there?; known
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 Grad Blog  American Mathematical Society
A "blog for and by math grad students." Posts, which date back to February, 2009, have included "Finding an Advisor," "Navigating Seminars — A First Year's Perspective," "Five Pieces of Advice for the Beginning Teaching Assistant," "Choosing a graduate
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 GraduateLevel Mathematics  Math Forum
Selected Internet resources for graduate studies and research: links to Mailing lists and newsgroups; Organizations and departments; Professional services, address lists, etc.; Electronic journals and other publications; Reference Shelf; Software; Amusing
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 Graduate Programs in Mathematics Learning and Teaching  Drexel University
Drexel University’s online Master of Science in Mathematics Learning and Teaching represents a highly evolved synthesis of researchbased best practices and a collaboration between the School of Education’s leaders in the field of mathematics education
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 Graduate Recruitment and Actuarial Jobs  Hewitt UK
Graduate career opportunities and internships with Actuarial Jobs at Hewitt UK.
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 Graduate School in Your Future?  Dianne Prost O'Leary
Written by a former director of undergraduate studies attempting to smoothe the transition from undergraduate to professional, this document offers advice to students on entering, surviving, and thriving during graduate study and beyond. Graduate School
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 Graduate School Teachers Place  Math Forum
Selected Internet resources for professors: professional organizations, discussion groups, course materials, software, workshops, and careeroriented services.
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 Grant Keady
Grant Keady, an adjunct professor at Curtin University, researches fluid dynamics and related subjects, with forays into computer algebra. Some of his papers are available online in PostScript, gzipped PostScript, PDF, .dvi, or Mathematica notebook format.
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 Granular Volcano Group  Sebastien Dartevelle
The site aims to describe and understand granular flows, fluid dynamic, supercomputer modeling, grain features, and behaviors in volcanology. Includes descriptions of frictional, kinetic, and collisional rheologies of granular matter, and definitions
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 Graph Coloring Page  Joseph Culberson
An ongoing project to provide graph coloring resources. Contents include: Graph Coloring Bibliography; Graph Coloring Programs; Graph Generator Programs; Phase Transition in Coloring, with Data Files; Links to Other Sources; Links to Other Coloring Material;
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 Graphics Archive  The Geometry Center
General interest images of an artistic nature, or of general interest to the public, including fractals, digital art, etc.; Special Topics  images created during research projects at the Geometry Center; Video Productions  images from videos produced
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 Graphing Calculator 3D  Runiter Company
Makers of visual, tutorial, and computational software such as Smart Math Calculator, Graphing Calculator 3D, A&G (algebra and geometry) Grapher, Statistics Problem Solver, and Calculus Problem Solver.
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 Graphing Calculator for Mac and Windows  Pacific Tech
Graphing Calculator calculates and displays two and threedimensional mathematical objects easily, and saves animations as QuickTime movies. The site includes a list of features, a guided tour, a picture gallery, a free demo, and ordering capabilities,
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 Graphs: Theory  Algorithms  Complexity  Thomas EmdenWeinert
Links to information about graphs and graph theory. Contents include: Related Link Collections; Online Forums; Open Problems; Topics; Search & Find (look for people, bibliographic data, journals, conferences); Software; Books & Lecture Notes;
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