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  Selected Sites   (see also All Sites in this category)

  1. Convex and Discrete Geometry - Dave Rusin; The Mathematical Atlas
    Information on convex and discrete geometry. Applications and related fields and subfields; textbooks, reference works, and tutorials; software and tables; other web sites with this focus. more>>


 
  All Sites - 24 items found, showing 1 to 24

  1. 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. ...more>>

  2. Convex Hull Algorithms - Tim Lambert
    An applet that demonstrates some algorithms for computing the convex hull of points in three dimensions. See the points from different viewpoints; see how the Incremental algorithm constructs the hull, face by face; while it's playing, look at it from ...more>>

  3. Cracking Kepler's sphere-packing problem - Ivars Peterson; Science News Online
    The familiar piles of neatly stacked oranges at a supermarket represent a practical solution to the problem of packing spheres as tightly as possible. Thomas C. Hales proved that no other arrangement of identical spheres fills space more efficiently, ...more>>

  4. Dave's Geometric Pix Gallery - David Joyce; Dept. of Mathematics & Computer Science, Clark University
    Mandelbrot and Julia sets, with a generation form and an Explorer on which you can point and click to get more refined images; Newton Basins and a form to generate them; a page describing tiling the hyperbolic plane; some wallpaper groups; a gallery ...more>>

  5. Discrete and Computational Geometry - Springer-Verlag
    An international journal of mathematics and computer science that accepts research articles of high quality in discrete geometry and on the design and analysis of geometric algorithms; more specifically, DCG publishes papers on such topics as configurations ...more>>

  6. E-G Models (Electronic Geometry Models) - Michael Joswig, Konrad Polthier
    A refereed archive of interesting geometric examples and visualizations, open for any geometer to publish new geometric models, or to browse the models for material to be used in education and research. The geometry models cover a broad range of mathematical ...more>>

  7. Erich's Combinatorial Geometry Page - Erich Friedman
    Famous and infamous problems with diagrams and some solutions and proofs. Includes: tree planting problems; circles through points; maximizing squares; triangulating squares; triangulating triangles; lines avoiding squares; lines avoiding points; points ...more>>

  8. Erich's Packing Center - Erich Friedman
    A huge collection of packing problems, each explained with graphics. 2D examples include Triangles in Squares, Circles in Squares, Squares in Squares, Triangles in Triangles, Circles in Triangles, Squares in Triangles, Triangles in Circles, Circles in ...more>>

  9. The Flyspeck Project - Tom Hales
    In pursuit of a formal proof of the Kepler Conjecture. The Flyspeck Project uses the Objective CAML programming language to investigate the density of a packing of congruent spheres in three dimensions. Start with the fact sheet. ...more>>

  10. Geometry and Topology: Recent Papers 1989-1993 - Univ. of Melbourne, Australia
    A bibliography of e-prints from the Dept. of Mathematics and Statistics, Univ. of Melbourne, Australia. ...more>>

  11. 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): ...more>>

  12. Illustrated 4D Computer Graphics - Kirby Urner, 4D Solutions
    Curriculum Concepts from the Fuller School. Primitive topologies: non-Euclidean definitions of points, lines, planes as non-zero, parameterized entities, with light affecting properties in ray traced views; Concentric hierarchy: a reference frame relating ...more>>

  13. Jeffrey C. Lagarias
    A member of the University of Michigan Department of Mathematics. List of publications, with many available for download in PostScript format; Lagarias' research interests include Number Theory, also Computational Complexity Theory, Cryptography, Discrete ...more>>

  14. Kepler's Sphere Packing Problem Solved - Keith Devlin (Devlin's Angle)
    Mathematician Thomas Hales of the University of Michigan announced in 1998 that — after six years effort — he had proved that a guess Kepler made back in 1611 was correct. The problem asks what is the most efficient way to pack equal-sized ...more>>

  15. MathGuide - Lower Saxony State and University Library, Göttingen (SUB), Germany
    An Internet-based subject gateway to scholarly relevant information in mathematics, with subject and source type catalogues, and a search engine. Resources are described and evaluated, new resources are continuously added, and already cataloged resources ...more>>

  16. MG Metric Geometry (Front for the Mathematics ArXiv) - Univ. of California, Davis
    Metric Geometry preprints, from the U.C. Davis front end for the xxx.lanl.gov e-Print archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic. ...more>>

  17. Polyhedra and Polytopes (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on geometric properties of polygons, polyhedra, and higher dimensional polytopes (particularly convex polytopes). ...more>>

  18. Profile (John H. Conway): Not Just Fun and Games - Mark Alpert, Scientific American
    A short biography of the English-born Princeton University mathematician and a discussion of some of his major mathematical contributions. ...over the past three decades Conway has made some of his greatest contributions to mathematical theory by analyzing ...more>>

  19. The Quadray Papers - Kirby Urner, 4D Solutions
    An Introduction to Quadrays. The game of quadrays starts with a regular tetrahedron and four rays pointing from its center to the four corners; these or any ray built from these rays are labelled 4-tuples - i.e. four numbers separated by commas and enclosed ...more>>

  20. sarah-marie belcastro's home page - Sarah-Marie Belcastro
    From one of the authors of Making Mathematics with Needlework: "I seem to have become a topological graph theorist while I wasn't looking. I am also interested in convex and combinatorial geometry, algebraic geometry, topology, algebra, the geometry of ...more>>

  21. Secrets of the Beehive - Keith Devlin; Guardian Unlimited Archive
    The 4th century geometer Pappus was one of several ancient Greek mathematicians who suspected that the elegant shape of the honeycomb was a result not of an innate bee-sense of geometric beauty but of nature's efficiency. The repeating pattern of six-sided ...more>>

  22. Soap Films and Grid Walks - Ivars Peterson (MathLand)
    A simple, physical demonstration of a mathematical truth can produce a lasting impression - one that inspires new questions and speculations. For Christopher C. Chang, a student at Henry M. Gunn Senior High School in Palo Alto, Calif., and one of 40 finalists ...more>>

  23. Tiling and Packing results - Torsten Sillke
    Packing problems, mostly, in English, with some in German. Packing Polycubes and Polyspheres; Tilings with Matching Conditions; links. ...more>>

  24. Triangles and Simplices (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on triangles and their higher-dimensional generalizations (simplices), with a particular interest in partitioning regions into triangles, tetrahedra, or higher dimensional simplices, for various applications ...more>>


 
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