 01 Programming Benchmarks with Hidden Optimum Solutions  Ke Xu
Benchmarks with different problem sizes are provided, all of which are planted with hidden optimum solutions. It is expected, based on the study of phase transitions in NPcomplete problems, that the difficulty of solving these benchmarks will grow very
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 125 Questions: What Don't We Know?  Science Magazine
Science celebrated its 125th anniversary with a look forward at the most compelling puzzles and questions facing scientists today. Accompanied by reader's forums and other online extras, this free news feature explores 125 big questions that face scientific
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 18th International Symposium on Mathematical Methods Applied to the Sciences  Javier Trejos
Topics for XVIII SIMMAC, hosted 2124 February, 2012 in San José, Costa Rica, include data analysis, multivariate statistics, and clustering and classification; probability, stochastic processes, financial mathematics, and optimal control; optimization,
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 1991 Mathematics Subject Classification (MSC)  Chris Eilbeck; HeriotWatt University, Edinburgh
A hypertext version of the 1991 MSC. The main purpose of the classification is to help readers to find the items of present or potential interest to them as readily as possible  in MR, in Zbl, or anywhere else where this classification system is used.
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 1ucasvb's lab  Lucas Vieira
Diagrams and animations from a longtime contributor to Wikipedia's math and physics articles. Posts, which date back to February 2013 and feature graphics coded in POVRay and PHP, include "Experimenting with sound: the polygonal trigonometric functions
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 2001 International Conference on Computational Science (ICCS 2001)
May 2830, 2001, San Francisco, U.S.: a conference concentrating on computational science in parallel and distributed environments, encompassing facilitating theoretical foundations and the applications of largescale computations and offering the opportunity
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 A 27Vertex Graph That Is VertexTransitive and EdgeTransitive But Not 1Transitive [PDF]  Peter Doyle
A paper describing a 27vertex graph that is vertextransitive and edgetransitive but not 1transitive. While all vertices and edges of the graph are similar, there are no edgereversing automorphisms. PostScript, source, and PDF picture are available
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 2nd Conference for AfricanAmerican Researchers in the Mathematical Sciences (CAARMS)  Rutgers University  DIMACS Center
The 1996 CAARMS conference: announcement, program, how to order the proceedings.
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 3d Etc.  3d Etc, Inc.
OpenGL for XServers  White Pine & Tenon; 3D Explorer and Mechanical Systems (Mathematica plugins).
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 3D Modeling, Fabrication and Illustration  Tom Longtin
Mathematically based models and examples of creating accurate patterns for nonconvex polyhedra when material thickness is a concern. Links to illustrations of: Stained Glass Prototypes; VRML; Tensegrity Structures; OcTet Truss Space Frames; Mechanical
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 3DXplorMath  Richard Palais
3DXplorMath creates visualizations of mathematical objects and processes. This tool has builtin algorithms for displaying mathematical objects such as plane curves, space curves, surfaces, conformal maps, polyhedra, ordinary and partial differential
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 The 3n +1 Problem  Darrell Cox
A probabilistic approach to the Collatz conjecture. With references to continuedfraction convergence of log(3)/log(2), mcycles, and other classical approaches to the 3n + 1 problem, as well as the MSVC++ C code that confirmed many of Cox's propositions.
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 3rd Conference for AfricanAmerican Researchers in the Mathematical Sciences (CAARMS)  Morgan State University, Baltimore, MD
The 1997 CAARMS conference: announcement, schedule, poster sessions.
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 The 3x+1 problem and its generalizations (Organic Mathematics Proceedings)  Jeff Lagarias
The 3x+1 problem, also known as the Collatz problem, the Syracuse problem, Kakutani's problem, Hasse's algorithm, and Ulam's problem, concerns the behavior of the iterates of the function which takes odd integers n to 3n+1 and even integers n to n/2.
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 4th Annual Conference for AfricanAmerican Researchers in the Mathematical Sciences (CAARMS)  Rice University, Houston, TX
The 1998 CAARMS conference: schedule, conference attendees contact information. See also http://cm.belllabs.com/who/will/caarms4.html.
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 Aaron Robertson
Aaron Robertson researches combinatorics, specifically Ramsey Theory. Abstracts of his papers are available online, and they may be downloaded in LaTeX, .dvi, PostScript, or PDF format. Related Maple packages, for which the code is available online,
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 The ABC Conjecture Home Page  Abderrahmane Nitaj
A statement of the abc conjecture, first formulated by Joseph Oesterlé and David Masser in 1985, with generalizations, consequences, tables, and a bibliography. Also abc theses, and relevant links.
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 The Abel Prize  The Norwegian Academy of Science and Letters
The Abel Prize recognizes outstanding scientific work in the field of mathematics. Read about past honorees and the prize's namesake  the first to prove the general binomial theorem  including a scientific biography on the works of Niels Henrik Abel,
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 about dyscalculia  Anna Wilson
Information about dyscalculia "from the research community to parents, teachers, policy makers, and people affected by dyscalculia." Read a definition of this math learning disability, as well as causes, symptoms, and diagnosis. FAQ for teachers and parents
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 About time  Keith Devlin (Devlin's Angle)
An essay on time in mathematics and engineering (the time that we measure and use to regulate our lives). How did we come to measure time in the first place? What exactly is it that our timepieces measure? And what scientific principles do we use to construct
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 Abstract Algebra (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
An extensive list of links to sites with information about abstract algebra, classified by level and type of resource.
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 Abstract and Applied Analysis (AAA)  Athanassios G. Kartsatos, Ed.
A mathematical journal devoted to the publication of papers in the fields of Abstract and Applied Analysis, with emphasis on developments in Linear and Nonlinear Functional Analysis, Ordinary and Partial Differential Equations, Optimization Theory and
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 Abstract Linear Spaces  MacTutor Math History Archives
Linked essay covering the beginning of the vector concept and the move away from coordinate methods through the beginning of the 20th century with Peano, Hilbert, Schmidt and Banach, with 13 references (books/articles).
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 Abstract State Machines  Jim Huggins
The Abstract State Machine (ASM) Project (formerly known as the Evolving Algebras Project) was started by Yuri Gurevich as an attempt to bridge the gap between formal models of computation and practical specification methods. The ASM thesis is that any
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 Academic Info  Mathematics
A listing of online college and research level math resources. The target audience is the college and university community; however, the subject guides will prove useful to high school and general users as well.
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 Academic Torrents  Cohen, Joseph; and Lo, Henry
This distributed data repository made for researchers, by researchers, uses bittorrent technology to facilitate the storage and sharing of research data — from NASA's map of Mars, to bags of words, to NOAA weather data. Browse datasets, papers,
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 Acid Library  The .Net Math Parser  Blue Analysis
A high performance math parser. Features include basic mathematics, brackets, advanced functions and constants. The Acid Library is a software component delivered ready to use with the .Net Framework 2.0. It will run natively, without any performance
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 ACME Klein Bottles  Cliff Stoll
"Searching for a onesided surface? Need a zerovolume bottle? Want the ultimate in nonorientability? Get an ACME Klein bottle!" Available in several different models, including classical, Erlenmeyer flask, sliced, spiral, "weirdies," and special designs.
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 ACMEScience  Samuel Hansen
Lighthearted mathematical podcast series Combinations and Permutations, Strongly Connected Components, and more.
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 The ACM Journal of Experimental Algorithmics (JEA)  Association for Computing Machinery
An online journal devoted to experimental work in the design and analysis of algorithms and data structures, with two principal aims: to stimulate research in algorithms based upon implementation and experimentation; in particular, to encourage testing,
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 ACM Transactions On Mathematical Software (TOMS)
The purpose of the Association for Computing Machinery Transactions on Mathematical Software (TOMS) is to communicate important research results concerning the development, evaluation and use of mathematical computer programs. In addition, TOMS publishes
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 Activity Group on Discrete Mathematics  Society for Industrial and Applied Mathematics (SIAM)
The SIAG on Discrete Mathematics focuses on combinatorics, graph theory, cryptography, discrete optimization, mathematical programming, coding theory, information theory, game theory, and theoretical computer science, including algorithms, complexity,
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 Actuary.com
Actuarial science information including topics such as: actuarial exams, employment, job postings, discussion forums, directory of actuarial schools, directory of actuarial recruiters, actuarial company information.
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 Adapting Science to Chaos  Chris Lang
A new mathematics and metaphysics specifically designed for chaos, complexity theory, and chaotic and complex dynamical systems. The Heisenburg uncertainty principle limits experimentation: optimizing science for chaotic and complex dynamical systems
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 Adaptive Precision FloatingPoint Arithmetic and Fast Robust Predicates for Computational Geometry  Jonathan Richard Shewchuk; University of California at Berkeley
C code for orientation and incircle tests using adaptiveprecision floatingpoint arithmetic. Papers, software, inspiration.
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 Adaptive Technology Resource Centre  University of Toronto
A services and a research and development centre that focuses both on solutions for persons with disabilities, and on universal design. The site includes the Vision Technology Service (sight enhancement and substitution clinic), a technical glossary (covering
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 Adult Literacy and Lifeskills (ALL) Survey  National Center for Education Statistics (NCES), U.S. Department of Education
The Adult Literacy and Lifeskills (ALL) Survey is an international comparative study designed to provide participating countries, including the United States, with information about the skills of their adult populations. ALL measured the literacy and
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 Adult Numeracy Core Curriculum  The Basic Skills Agency, via Count On
The U.K. adult literacy and numeracy core curriculum in PDF format. "It sets out the entitlement to learning for all adults who have difficulties with literacy and numeracy. It describes the content of what should be taught in literacy and numeracy programmes
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 Advanced Continuous Simulation Language (ACSL)  The AEgis Technologies Group, Inc.
A modeling, execution, and analysis environment for continuous dynamic systems and processes. With readytouse code blocks, powerful analysis capabilities, and industryspecific toolkits. View case studies in the pharmaceutical, automative, military,
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 Advanced CSS Rendering: Embedding Mathematical Content in HTML  George Chavchanidze
Discussion of a crossbrowser method of rendering mathematical content using HTML and cascading style sheets (CSS). A set of CSS style sheets for online scientific publishing is available.
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 Advanced Data Visualization  Principia Mathematica
PMVisualization Studio is a Microsoft Windows 95, 98 or NT application that takes the Visualization Toolkit (Vtk) data visualization architecture and extends it by providing a graphical pipeline editor. It also includes an Active X control that allows
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 Advanced Discrete Mathematics  Math Forum
Links to some of the best Internet resources for advanced discrete mathematics: Web sites, software, Internet projects, publications, and public forums for discussion.
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 Advanced Geometry  Math Forum
Links to some of the best Internet resources for advanced geometry: Web sites, software, Internet projects, publications, and public forums for discussion.
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 Advanced Technology Council in Mathematics (ATCM)  ATCM, Inc.
ACTM promotes and facilitates the use of technology for the learning and appreciation of mathematics, supports and enhances research and development in mathematics, and disseminates new and updates information of mathematics to the global community.
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 Advances in Applied Clifford Algebras  Jaime Keller, Ed.
A journal that publishes research papers and notes, expository and survey articles, book reviews, and reproduces abstracts, and also reports on conferences and workshops in the area of Clifford Algebras and their applications to other branches of mathematics
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 Aepryus Software
Aepryus is a developer of math, physics, and evolutionary biology software for Microsoft Windows computers. Download, purchase, or obtain information about programs such as Aepryus Graph, a function plotting application capable of 2D and 3D shaded plots
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 African Diaspora Journal of Mathematics
An international journal for mathematical research, emphasizing the contributions of African mathematicians and the rich connections between African Universities and those of other continents. The site offers submission guidelines, contact and subscription
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 African Mathematical Union (UMA)  Dr. Scott W. Williams
The African equivalent of the International Mathematical Union. An interim site with details of the Union's activities; the official webpage of the AMU will be operated from the Al Akhawayn University in Ifrane, Morocco (www.alakhawayn.ma).
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 AG Algebraic Geometry (Front for the Mathematics ArXiv)  Univ. of California, Davis
Algebraic Geometry 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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 AIGEOSTATS  information server about spatial statistics  Gregoire Dubois
AIGEOSTATS is the central server for GIS and Spatial Statistics (geostatistics, spatial interpolation, sampling strategies, ...). It has its own forum of around 1000 researchers. Site contains a mailing list, discussion/FAQ features, software, papers,
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