21. Coolmath.com - An Amusement Park Of Mathematics... And More! An amusement park of mathematics. Puzzles and number problems, fractals, geometry, calculus, algebra, online games, online calculators, and links. http://www.coolmath.com/

an amusement park of math ... and more for back to school fun! about us awards media kit press kit ... safe surfing Coolmath.com, Inc.

22. History Of Mathematics - Table Of Contents Topics include background in Babylonian, Euclid, Al'Khwarizmi, pi, and trigonometry. Also has recreations and java chat. http://members.aol.com/bbyars1/contents.html

And Insights into the History of Mathematics Table of Contents Prologue The First Mathematicians The Most Famous Teacher Pi: It Will Blow Your Mind ... Comments and Notices

23. SpringerLink - Journal Of Geometry - About This Journal Journal of geometry (JG). Published by Birkhäuser Verlag JG is devotedto the publication of current research developments in the http://link.springer.de/link/service/journals/00022/

Journal of Geometry (JG) JG is devoted to the publication of current research developments in the fields of geometry, and in particular recent results in foundations of geometry, geometric algebra, finite geometries, combinatorial geometry, and special geometries. ISSN: 0047-2468 (Printed edition) ISSN: 1420-8997 (Electronic edition)

24. San Graal School Of Sacred Geometry The images symbolize different aspects of the unified field theories. They represent the Sacred geometry of Love and Sharing, and are placed here with permission to touch. http://www.sangraal.com/index.htm

Make us your homepage Recommended Reading Articles/Archives Links ... The Eyes of Horus "Let the Eye of Horus come forth from the god and shine outside his mouth." The Pyramid Texts Notes on the Labyrinth, DNA and Planetary Alignment G. I. Gurdjieff G. I. Gurdjieff Agreement made in Court between Non-Defendant Ray Flowers and Stan Tenen in the case Tenen v. Winter (6:94-cv-O7934) San Graal School of Sacred Geometry

25. Preprints.html Several lecture note sets by Igor Dolgachev in various formats, including DVI and PostScript. http://www.math.lsa.umich.edu/~idolga/lecturenotes.html

Lecture Notes Enriques surfaces I: Corrections ( ps pdf LECTURES ON INVARIANT THEORY ( pdf INTRODUCTION TO PHYSICS Title ( ps pdf Part 1 ( ps pdf Part 2 ( ps pdf Part 3 ( ps pdf Part 4 ( ps pdf Literature ( ps pdf MODULAR FORMS ( ps pdf INTRODUCTION TO ALGEBRAIC GEOMETRY Lectures 1-17 ( ps INTRODUCTION TO STRING THEORY Lectures 1-8( ps pdf TOPICS IN CLASSICAL ALGEBRAIC GEOMETRY Part 1 ( ps

26. Computational Geometry Code Jeff Erickson's links to freely available implementations of geometric algorithms and software.Category Science Math geometry Computational geometry Software......Computational geometry Code. of Computational geometry Software, which I stronglyencourage you to visit! Items marked have been recently added or modified. http://compgeom.cs.uiuc.edu/~jeffe/compgeom/code.html

Computational Geometry Code This page lists "small" pieces of geometric software available on the Internet. Most of the software is available free of charge. Unless otherwise specified, C or C source code is available for all programs. Software libraries and collections and programs that can be run interactively over the web are listed on separate web pages. Caveat Surfor I can't make any claims about the usefulness or quality of the programs listed here. I don't have the time or equipment to try them all. If you have experience with any of these programs, either positive or negative, please tell me about it The programs on this page are divided into several categories, some of which are divided into further sub-categories. (Eventually, each category will get its own separate web page.) Each program is listed only once, but I've provided cross-links between overlapping categories, and I've tried to arrange similar categories near each other. Robust low-level primitives Combinatorics and discrete math Geometric optimization Convex hulls and convex polyhedra ... Other Each category also includes links to relevant pages in Nina Amenta 's comprehensive Directory of Computational Geometry Software , which I strongly encourage you to visit!

27. ESF - HTTP Error: 404 - Not Found Obernai (near Strasbourg), France, 22 27 September 2000. Sponsored by Euresco, EMS, INTAS. http://www.esf.org/euresco/00/pc00109a.htm

Search by topics... Programmes Networks EURESCO Conferences Exploratory Workshops EUROCORES Forward Looks Research Infrastructures Programmes Networks EURESCO Conferences Exploratory Workshops ... Research Infrastructures ESF Mailing Lists ESF Discussion Forum 404 Not Found The page you were looking for could not be found. It may have been moved, may no longer exist on our server or may be that you entered the url in capitals letters. Please note that only small letters should be used. If you were presented with this page as a result of following a link on one of our pages, please drop a note to the webmaster Thank you.

28. Cynthia Lanius' Lessons: Geometry Online Thanks to PBS for permission to use the Pyramid photo. On these pages you willfind activities for middle or high school geometry. geometry Online. http://math.rice.edu/~lanius/Geom/

Cynthia Lanius Thanks to PBS for permission to use the Pyramid photo. On these pages you will find activities for middle or high school geometry. Bookmark this page and check back often. I hope to add at least one activity per month. Geometry Online History of Geometry A Brief Synopsis of Geometry throughout history. Describes the contributions of Egyptians, Babylonians, and Greeks. Includes links to biographies of major contributors to geometry. Hidden Irrationals (English Version) (Spanish Version) What's the rule? Students will find line segments that they can and cannot draw of various irrational lengths, and then find the rule that allows them to draw or not draw. The page should be printed and the segments shaded in. Hidden Polygons Students learn to identify various polygons by locating them on triangular gridpaper. The page can be printed and the figures shaded in. Links to other polygon sites are included. Isosceles Triangle Puzzler Students use the Isosceles Triangle Theorem to analyze a problem with similar triangles. Answers can be submitted online. Impossible Triangles Students use several different rules to determine triangle "impossibilities". Answers can be checked online. ... graded online. The Golden Ratio This lesson introduces the golden ratio with a measuring activity. Students will also build a rectangle that approaches the golden ratio.

29. Geometry Around Black Holes A WWW Exhibition in Relativistic Computer Dynamics and Visualization http://www.astro.ku.dk/~cramer/RelViz/

Award June 10th 1997 Award July 7th 2000 'Highly Rated by Schoolzone' Cramer's Homepage Geometry Around Black Holes A WWW Exhibition in Relativistic Computer Dynamics and Visualization By Michael Cramer Andersen, June 1996. Contents of this WWW Visualization Exhibition: General Relativity and Black Holes. Curvature and lightcones. Kerr's rotating Black Holes. Gravitational redshift. ... Other sites with black holes... You are guest no. Updated June 18th 1997 by cramer@astro.ku.dk . Links to this site: http://www.astro.ku.dk/~cramer/RelViz/

30. [gr-qc/9911051] Complex Geometry Of Nature And General Relativity A paper by Giampiero Esposito attempting to give a selfcontained introduction to holomorphic ideas in general relativity. The main topics are complex manifolds, spinor and twistor methods, heaven spaces. http://arxiv.org/abs/gr-qc/9911051

General Relativity and Quantum Cosmology, abstract gr-qc/9911051 From: Giampiero.Esposito@na.infn.it Date: Mon, 15 Nov 1999 11:06:50 GMT (124kb) Complex Geometry of Nature and General Relativity Author: Giampiero Esposito Comments: 229 pages, plain Tex Report-no: DSF preprint 99/38 An attempt is made of giving a self-contained introduction to holomorphic ideas in general relativity, following work over the last thirty years by several authors. The main topics are complex manifolds, spinor and twistor methods, heaven spaces. Full-text: PostScript PDF , or Other formats References and citations for this submission: SLAC-SPIRES HEP (refers to , cited by , arXiv reformatted); CiteBase (autonomous citation navigation and analysis) Links to: arXiv gr-qc find abs

31. The Geometry Of The Sphere This material was the text for part of the Advanced Mathematics course in the High School Teachers Category Science Math geometry......The geometry of the Sphere. John C. Polking Introduction. We are interestedhere in the geometry of an ordinary sphere. In plane geometry http://math.rice.edu/~pcmi/sphere/

The Geometry of the Sphere John C. Polking Rice University The material on these pages was the text for part of the Advanced Mathematics course in the High School Teachers Program at the IAS/Park City Mathematics Institute at the Institute for Advanced Study during July of 1996. Teachers are requested to make their own contributions to this page. These can be in the form of comments or lesson plans that they have used based on this material. Please send email to the author at polking@rice.edu to inquire. Pages can be kept at Rice or on your own server, with a link to this page. Putting mathematics onto a web page still presents a significant challenge. Much of the effort in making the following pages as nice as they are is due to Dennis Donovan Boyd Hemphill added two nice appendices. Susan Boone helped construct the Table of Contents. All of them are teachers and members of the Rice University Site of the IAS/Park City Mathematics Institute. Table of Contents Introduction Basic information about spheres Lines and spheres Planes, spheres, circles, and great circles: ... A Proof of Euler's formula Appendices Incidence relations in the plane and in space Degrees and radians , by Boyd E. Hemphill

32. Introduction To The Works Of Euclid Covers the life of Euclid and a discussion of Euclidian geometry. http://www.obkb.com/dcljr/euclid.html

An Introduction to the Works of Euclid with an Emphasis on the Elements (first posted to the web in 1995) jump to... Outline of paper text of paper Suggestions for further study Bibliography ... bottom of page This is a paper I wrote in college for a History of Science course (although I've taken the liberty of modifying it slightly from time to time since I put it online). I know it's not publishable or anything, but it's still one of my favorite papers because it was so difficult to do. (I wrote it on a computer with about 12K of free RAM and only a cassette tape drive for storage!) In fact, the whole History of Science course was quite an experience. Students wishing to use this paper for their own reports on Euclid should know how to avoid plagiarism and how to cite online sources . In addition, I urge students to seek out the original printed sources yes, that means going to the library and not rely merely on what I say in this paper. (I'm always surprised by the number of junior high and high school students who e-mail me saying they can't find any information about Euclid!) Note that is used to denote square roots and all Greek letters used as symbols ( alpha beta , ...) are spelled out. Superscripts are implemented by using the appropriate HTML tags and may not display properly in some browsers. In this case, hopefully the meaning will be clear from the context.

33. Native American Geometry A physical, proportional geometry that originates from the simple circle.Category Society Religion and Spirituality Sacred geometry and Art...... Grades 412. Hardaker provides online tools to support a hands onunit espousing a new approach to learning geometry. For those http://www.earthmeasure.com/

Endorsements References Endorsements References N ATIVE AMERICAN GEOMETRY is a physical, proportional geometry that originates from the simple circle. A growing body of architectural and iconographic evidence from Native America suggests it was a relatively common tradition that has been practiced for at least two thousand years. This is the same type of geometry that was discovered and developed by the ancestors of many peoples in many places, from China to the Mediterranean Basin to the British Isles. Currently, it resides among the logo designers of Madison Avenue. Generally, it maintains a similar methodological structure to the Middle Eastern tradition of classical geometry that is limited to operations carried out by the compass and straightedge, or two sticks and a rope. In the anthropological world, there are generally two ways traditions come into being in any particular culture: diffusion or borrowing from another culture; and, independent invention or discovery. Did the geometry have a single source and diffuse around the world over a period of several millennia? Or is there something about it, like stone working techniques, that made it independently accessible to the human mind in diverse cultures and civilizations? Personally, I believe the geometry was discovered independently by widely disparate cultures. Why? Because this type of proportional geometry originates with the circle, one of the most popular and multi-cultural symbols in the human world. It is a shape that served as a foundation for countless domestic and ceremonial structures. Given the intimate relationship between the circle's radius and the hexagon, it is an argument I can live with, for now. This opinion does not exclude instances of cultural diffusion within specific geographic regions.

34. Origami Mathematics Page Mathematics of paper folding; includes a bibliography of articles and journals, Combinatorial geometry syllabus, and a tutorial on geometric constructions. Photo gallery of completed modular, geometric, and tessellation models. http://web.merrimack.edu/~thull/OrigamiMath.html

Origami Mathematics These pages are an attempt to begin collecting information on the mathematics of paper folding. Anyone who has practiced origami has probably, at one time or another, unfolded an origami model and marveled at the intricate crease pattern which forms the "blueprint" of the fold. Clearly there are some rules at play in these collection of creases. Clearly there is an origami geometry at work when paper is folded. Unfortunately, much of the above-mentioned work is new, and at the time of this writing there are few good references for this type of information. These pages will try to help solve this problem by providing an extensive bibliography for origami-math, list upcoming lectures and events, and offer instructions and tutorials for select topics. However, this is an on-going project! These pages are still in their infancy, and any comments or suggestions (or offers to help!) would be greatly appreciated! In March of 2001 the 3rd International Meeting of Origami Science and Technology (3OSME) was held. See the above link for the program listing, pictures, and information on the upcoming proceedings. Origami Math Menu: Browse our Origami Math Bibliography Tutorial: Origami Geometric Constructions We present Humiaki Huzita's origami axiom list and compare this to traditional straight edge and compass constructions. Instructions for trisecting angles and doubling cubes are also included.

35. Welcome To G4G4 Contains math, puzzle, geometry, illusions, mazes, links, articles and problems. http://www.g4g4.com/

WELCOME TO G G TO VIEW THIS SITE WITH OUT FRAMES, PLEASE CLICK HERE: WWW.G4G4.COM/G4G4.HTM L

36. Geometry Includes formulas, definitions and three dimensional image illustrations.Category Science Math geometry......geometry Main Index. Galileo (1623) Plexagons (Pleated hexagon) TheRibbed Sphere Do plans and elevations describe unique geometry? http://astronomy.swin.edu.au/~pbourke/geometry/

G e o m e t r y Index Geometry formats Data Formats Fractals, Chaos Rendering Radiance PovRay OpenGL Modelling Terrain Geometry Projections Curves Surfaces Polyhedra Stereographics Colour Textures Papers Analysis Skytower Albert Park Fun Puzzles Other for Surfaces Curves Fractals ... Polyhedra, platonic solids, polytopes Philosophy is written in this grand book - I mean universe - which stands continuously open to our gaze, but which cannot be understood unless one first learns to comprehend the language in which it is written. It is written in the language of mathematics, and its characters are triangles, circles and other geometric figures, without which it is humanly impossible to understand a single word of it; without these, one is wandering about in a dark labyrinth. Galileo (1623) Plexagons (Pleated hexagon) The Ribbed Sphere Do plans and elevations describe unique geometry? If triangles had a God, He'd have three sides. - Old Yiddish proverb Quadric equations Surfaces in x and y of degree 2. Fitting puzzle Interpretation illusion How simple geometry can be interpreted in many ways. There are holes in the sky. Where the rain gets in. But they're ever so small. That's why the rain is thin.

37. Ricci: A Mathematica Package For Doing Tensor Calculations In Differential Geome A Mathematica package for doing tensor calculations in differential geometry and general relativity. http://www.math.washington.edu/~lee/Ricci/

Ricci A Mathematica package for doing tensor calculations in differential geometry Version 1.37 Last Updated November 12, 2002 Ricci is a Mathematica package for doing symbolic tensor computations that arise in differential geometry. It has the following features and capabilities: Manipulation of tensor expressions with and without indices Implicit use of the Einstein summation convention Correct manipulation of dummy indices Display of results in mathematical notation, with upper and lower indices Automatic calculation of covariant derivatives Automatic application of tensor symmetries Riemannian metrics and curvatures Differential forms Any number of vector bundles with user-defined characteristics Names of indices indicate which bundles they refer to Complex bundles and tensors Conjugation indicated by barred indices Connections with and without torsion Limitations: Ricci currently does not support computation of explicit values for tensor components in coordinates, or derivatives of tensors depending on parameters (as in geometric evolution equations or calculus of variations), although support for these is planned for a future release. Ricci also has no explicit support for general relativity, or for other mathematical physics or engineering applications, and none is planned. If you are interested in such support, I recommend that you consider the commercial package MathTensor, which is far more extensive than Ricci, and provides all these capabilities and more. MathTensor is available from

38. Geometry By Ephraim Fithian.Category Science Math geometry......Activity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16. Games. Select the Macintoshgame you would like to download by clicking on its name. Hextris, Tetris Max. http://homepage.mac.com/efithian/geometry.html

Activity Games Select the Macintosh game you would like to download by clicking on its name. Hextris Tetris Max email

39. Texas Geometry And Topology Conference Held twice a year. Includes almost all universities and colleges in Texas, Arkansas, Louisiana, New Mexico, and Oklahoma. Since 1994, fall meetings have been national events, attracting participants from around the country. http://www.math.tamu.edu/research/workshops/TGTC/

Texas Geometry and Topology Conference Serving the Mathematical Community Since 1989 Mission Statement The Texas Geometry and Topology Conference is dedicated to the enhancement of both the educational and the research atmosphere of the community of geometers and topologists in Texas and surrounding states. The Conference has three specific goals: The Conference is committed to bring researchers of national and international stature to the region to discuss their research and to interact with mathematicians from Texas and surrounding states. The Conference makes it possible for the community of geometers and topologists from Texas and surrounding states (a huge geographic region) to meet and share mathematics on a regular basis, which both stimulates individual research and generates productive cooperative efforts between schools. The Conference is dedicated to the development of graduate students and young faculty in geometry and topology. Upcoming and Recent Conferences 60th Birthday Celebration for Karen K. Uhlenbeck 28th Meeting at University of Texas at Austin , October 11-13, 2002.

40. ScienceDirect - Computational Geometry - List Of Issues Similar pages www.sciencedirect.com/science/journal/09262245 Similar pages More results from www.sciencedirect.com The geometry AppletThe geometry Applet. version 2.2. *** If you functionality. This geometryapplet is being used to illustrate Euclid's Elements. Above http://www.sciencedirect.com/science/journal/09257721

This Feature requires JavaScript Register or Login: Password: Athens Login Computational Geometry Bookmark this page as: http://www.sciencedirect.com/science/journal/09257721 = subscribed = non-subscribed = complimentary Articles in Press Volume 25 Volume 25, Issue 3 , Pages 171-268 (July 2003) Volume 25, Issues 1-2 , Pages 1-170 (May 2003) Volume 24 Volume 23 Volume 22 Volume 21 ... Volume 1 Alert me when new Journal Issues are available Add this journal to My Favorite Journals Sample Issue Online Journal Publisher Website Information for Authors Send feedback to ScienceDirect Your use of this service is governed by Terms and Conditions . Please review our for details on how we protect information that you supply.

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