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Geometry
Directory > Science > Math > Geometry
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| Algebraic_Geometry (110) | Computational_Geometry (62) | Differential_Geometry (25) |
| Education (4) | Events (50) | For_Kids@ (19) |
| Higher_Dimensional (9) | Non-Euclidean (11) | Open_Problems (5) |
| People (37) | Plane_Geometry (5) | Polytopes (58) |
| Projective (8) | Publications (15) | Research_Groups (9) |
| Sculpture_and_Art (16) | Software (27) | Solid_Geometry (2) |
| Topology@ (6) |
| Related Categories: |
| Science > Math > Algebra > Geometric_Algebra (10) |
| Science > Math > Recreations > Specific_Numbers (196) |
| Kids_and_Teens > School_Time > Math > Trigonometry (11) |
  By Ephraim Fithian. |
Graffiti is a computer program that makes conjectures in mathematics and chemistry. Links to the conjectures and bibliography. |
Using the length of the three sides. The proof is better understood than the old one. |
Presents problems involving circles and triangles, with proofs, SAT practice quizzes and famous quotes. Also, has examples of geometry in Peruvian culture. |
Cabri constructions for the demonstration of the basic concepts of hyperbolic geometry in the Poincare disc model. |
A husband and wife from Cornell University have come up with a crafty way to illustrate high-level geometry concepts -- by manipulating yarn into models that help explain the curvature of spaces. The mathemeticians talk with NPR's Jacki Lyden about hyperbolic crocheting. [4:47 streaming audio broadcast] |
History of Mathematics, very strong on geometry. |
Discusses double shell structured periodic systems, platonic spheres, molecular and crystal structures, and FlashSort algorithms. |
Graphics and links for various packing, tiling and covering problems. |
By Clark Kimberling. Over 1000 triangle centres in a searchable compilation with diagrams. |
Information on the recent proof of Kepler conjecture on sphere packings. |
Includes Steiner's Porism and the arbelos. |
A new type of geometric construction that was discovered by Dan Litchfield and David Goldenheim. Includes general explanation and sketch examples. |
Includes collections from various areas in which ideas from discrete and computational geometry meet real world applications. |
Usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry. |
Activities of the geometry/topology group at Michigan State University. |
Free online book on geometry in pdf format. Contains material not easily found elsewhere from detailed exposition of elementary absolute geometry based on Hilbert's axioms to more advanced topics. |
Includes formulas, definitions and three dimensional image illustrations. |
Java applet demonstrating the catenary. |
A collection of interactive geometry applets. Topics include polyhedra, Poncelet's porism, Soddy's hexlet, Mandelbrot set, Steiner porism, Pappus's chain, Repulsion polyhedra and stereo pictures. |
Search the Geometry Problem of the Week's archive of creative, non-routine challenges, as well as submissions and commentary, dating back to 1993. |
Discussion board for geometry professors and instructors to keep informed of the latest research. |
Those interested in examining the previous incarnation of the Math Forum may search the archives of the Geometry Forum. |
Mathematical descriptions and ray-traced images of various types of Steiner surfaces. |
Information and resources about geometric group theory and low-dimensional topology. People, groups, meetings, links. |
It provides important formulations for finding a center of points in 2 or higher dimensional space. It can be used in drawing delauney triagulation and voronoi diagram in two or higher dimensions. It also describes how many points are required in defining a center in n-dimensional space. |
Web site for the (now closed) Center for the Computation and Visualization of Geometric Structures at the University of Minnesota. Graphics, multimedia, software, teaching resources. |
At the Geometry Center. |
Excerpts from the 30th Edition of the CRC Standard Mathematical Tables and Formulas (1995), namely, the geometry section minus differential geometry. |
Geometry exercises for a two-week summer workshop led by John Conway, Peter Doyle, Jane Gilman and Bill Thurston at the Geometry Center in Minneapolis, June 1991. |
A java applet with substantial analysis related to distances on a rectangular box. |
Includes articles on topics in elementary and not so elementary geometry, many with interactive Java illustrations and multiple proofs. |
A discussion of Morley's famous theorem and the research of which it was a tiny part. 5 proofs are given including J. Conway's, D. Newman's, and A. Connes'. |
Features an illustrated dictionary of special plane curves, a paper on wallpaper groups, mathematics image gallery and links to software packages. |
Critical reflections on the sangaku phenomenon accompanied by a collection of solved sangaku problems, many with interactive Java illustrations. |
A collection of all 15 propositions from Archimedes' Book of Lemmas with complete proofs, each accompanied by a Java illustration. |
Features articles about specific problems, illusions, and puzzles. Includes diagrams. |
Several properties of the complete quadrilateral illustrated with Java applets |
The Butterfly theorem and its generalizations illustrated by Java applets. |
High school students solve complex geometric problems by using GLad Sketchpad. Page includes diagrams. |
Shows paper models of polyhedra. |
Offers a variety of resources for teaching and learning about geometry. Problems and theorems are presented with step-by-step solutions for each proof. |
Graphical representations of computer generated forms. (French/English). |
Course notes by Bill Cherowitzo. |
Includes packings of equal objects in containers together with source codes to obtain them numerically. |
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