Mathematics: Geometry

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Diamond Theory
"Symmetries of Plato's diamond figure throw new light on
modern combinatorics, finite geometry, and group theory."
By Steven H. Cullinane

Fractal Geometry
"This is a collection of pages meant to support a first course in fractal geometry for students without especially strong mathematical preparation, or any particular interest in science."
By Michael Frame, Benoit Mandelbrot, and Nial Neger, Yale University

Gallery of Mathematical Surfaces A collection of around 30 surfaces

Geometry and Topology
"...is a fully refereed international journal dealing with
all aspects of geometry and topology and their applications.
Geometry and Topology is published in free electronic format
by Geometry and Topology Publications."

Geometry Center
This wonderful site includes interactive web and Java
applications, Java version of Geomview, hypertext
papers, preprints, forums, a Geometry Reference
Archive with graphic images, formulas, a Downloadable
Software section, Video Productions, resources for new
teachers.
Center for the Computation and Visualization of Geometric
Structures, University of Minnesota

Geometry from the Land of the Incas
"A Peruvian site with Euclidean geometry problems involving circles and triangles, with proofs, animation and sound: Poncelet, Napoleon, Eyeball, Steiner, Carnot, Sangaku, Morley, Langley and the Butterfly Theorem. You can also investigate Inca Geometry (Cuzco, Machu Picchu, Incan Quipu, Nazca Lines, Lord of Sipan, Inca City on Mars?); and quotes from Descartes, Galileo, Newton, Pappus, Plato, PoincarÈ, Voltaire, and try some quizzes."
By Antonio Gutierrez

Geometry in Action
"This page collects various areas in which ideas from discrete and computational geometry (meaning mainly low-dimensional Euclidean geometry) meet some real world applications. It contains brief descriptions of those applications and the geometric questions arising from them, as well as pointers to web pages on the applications themselves and on their geometric connections."
By David Eppstein, UC Irvine

Geometry Junkyard
"These pages contain usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry. Some of it is quite serious, but I hope much of it is also entertaining."
By David Eppstein, UC Irvine

Math Forum: K-12 Geometry
Sections include: Classroom Materials for Teachers and Students ; Software ; Internet Projects ; Public Forums.
From The Math Forum @ Drexel

MathWorld - Eric Weisstein's World of Mathematics
Subjects include: [Collge] Algebra ; Applied Mathematics ; Calculus and Analysis ; Discrete Mathematics ; Foundations of Mathematics ; [College] Geometry ; History and Terminology ; Number Theory ; Probability and Statistics ; Recreational Mathematics ; Topology.

Native American Geometry
Major sections include: Foundations ; Anthropology ; Designs ; Education
By Chris Hardaker

Computational Geometry Pages
"a (hopefully) comprehensive directory of computational geometry resources both on and off the Internet."
A well organized and very extensive listing of sites.
Maintained by Jeff Erickson, Computer Science Dept., University of Illinois

Last modified on March 2007
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