81. Activities In Algebraic Geometry & Related Areas A list maintained at Instituto Superior T cnico, Lisbon. http://www.math.ist.utl.pt/galg/

Links to Research Activities in Algebraic Geometry and Related Areas (Co-organized by the IST Mathematics Department) Planned Activities [besides seminars] XVI Oporto Meeting on Geometry, Topology and Physics (Faro, July 5-8, 2007) XVI International Fall Workshop on Geometry and Physics (Lisbon, September 5-8, 2007) Regular Activities IST Courses on Algebraic Geometry Lisbon Summer Lectures on Geometry Oporto Meetings on Geometry, Topology and Physics Regular Seminars Algebra Seminar at IST Geometria em Lisboa Seminar Mathematical Physics Seminar Topological Quantum Field Theory Past Activities I CAMGSD Thematic Period on Algebraic Geometry and Topological Strings 2004 Workshop on Algebraic Geometry and Physics Course on Motivic Cohomology Lisbon Conference on Commutative Algebra ... Curso de Álgebra Comutativa e Aplicações: Geometria Algébrica e Curvas Algébricas (Julho, 2001) (July 8-17, 1999)

82. Geometry - Prentice Hall Bridge Page www.phschool.com/webcodes10/index.cfm?fuseaction afk SimilarMath Playground - geometry Boardgeometry Board, Math Manipulatives. Use this virtual geoboard to explore Isometric Geoboard explore 3D geometry with this fascinating geoboard http://www.phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcp

83. David A. Cox Amherst College. Algebraic geometry and number theory. Books, publications, lecture notes. http://www.amherst.edu/~dacox/

David A. Cox Professor of Mathematics Department of Mathematics Amherst College 404 Seeley Mudd Building Amherst, MA 01002 413-542-2082 (phone) 413-542-2550 (fax) Click here for my Amherst College Faculty Profile Toric Varieties Click here for the web page for the book Toric Varieties , written with John Little and Hal Schenck. New as of October 27, 2010: You can download a preliminary version of the entire book. Lecture Notes Here are some postscript or pdf files containing lecture notes for various lectures given in recent years. Geometric Modeling and Commutative Algebra and The Surface Case. These are the slides for the first lecture and part of the third lecture given at the Pan-American Advanced Study Institute, held in Olinda, Brazil, in August 2009. and Lectures on Toric Varieties. These lectures discuss toric varieties in terms cones, fans, homogeneous coordinates and polytopes. They also touch on some of the commutative algebra involved in toric geometry. The lectures were written for the CIMPA School on Commutative Algebra given in Hanoi in December 2005. What is a Toric Variety?

84. MathPages: Geometry Embedding NonEuclidean Within Euclidean geometry Forests or Trees on a Complex Plain On de Bruijn Grids and Tilings http://www.mathpages.com/home/igeometr.htm

Geometry The Five Squarable Lunes Constructing the Heptadecagon Generalizing Pythagoras and Carnot Iterative Isoscelizing ... Math Pages Main Menu

85. Math Forum: K-12 Geometry The best Internet resources for geometry classroom materials, software, Internet projects, and public forums for discussion. http://mathforum.org/geometry/k12.geometry.html

K-12 Geometry Back to Math by Subject Math by Subject K12 Topics algebra arithmetic calculus discrete math geometry pre-calculus prob/stat Advanced Topics analysis calculus diff. equations game theory discrete math geometry (coll.) geometry (adv.) linear algebra modern algebra num. analysis K-12 Internet Geometry Resources Also see the Math Forum's Internet Mathematics Library: Geometry Classroom materials for teachers and students Selected geometry Internet resources for the classroom including lesson plans, activities, and interactive resources. Software for geometry Publicly available software and publishers online. Interactive geometry classroom resources Archives of sketches, scripts, and macros for The Geometer's Sketchpad, Cabri Geometry, and other interactive geometry software. Demo versions available too. Internet projects Activities for students and lovers of geometry. Selected geometry elsewhere on the Internet A list of exceptionally good K-12 geometry sites. Public forums for discussing geometry Mailing lists and newsgroups sponsored by the Forum and others where mathematicians,teachers, and students trade ideas about geometry: sci.math, math-teach, ednet, history of math, geometry- newsgroups. Home The Math Library Quick Reference Search ... Help http://mathforum.org/

86. Koll R, J Nos Professor, Department of Mathematics, Princeton University. Algebraic geometry. http://www.math.princeton.edu/~kollar/

ADDRESS Department of Mathematics Princeton University Fine Hall, Washington Road Princeton, NJ 08544-1000 email: kollar@math.princeton.edu Office: 605 Fine Hall Math Department Phone: (609) 258 - 4200 Math Department Fax: (609) 258 - 1367 Algebraic Geometry Seminar Book on Moduli of Surfaces - ongoing project I am writing a book on the moduli of varieties of general type, more generally about the moduli of pairs (X,D) such that K_X+D is ample. I will try to keep posting the chapters as they get written. As usual, in writing a chapter one discovers that the earlier ones should be changed, so I will try to update them as well. Others agreed to contribute various sections, these will be added as they become available. Since these are not final notes, citations, references, proofs or even entire sections may be missing. Any comments, corrections or suggestions are welcome. Chapter 1: Introduction This is mostly a review of moduli theory, with lots of examples of what can go wrong for varieties that are not canonically polarized, or too singular, or ... Chapter 2: Canonical models This is mostly a review of the theory of canonical models, with special attention to the various important classes of singularities. (For example, canonical, klt, dlt, rational, log canonical, Du Bois, ...)

87. BrainPOP | Math | Learn About Geometry In this BrainPOP movie, Tim and Moby will teach you the basics of geometry, the branch of math that ll help you do just that! You ll start out by learning http://www.brainpop.com/math/geometryandmeasurement/geometry/

LOG IN SEARCH GO USERNAME: PASSWORD: GO Geometry Ever feel like measuring space? In this BrainPOP movie, Tim and Moby will teach you the basics of geometry, the branch of math that’ll help you do just that! You’ll start out by learning about Euclid, the ancient Greek mathematician whose ideas are still taught in math classes today. Next, you’ll find out the difference between a point and a line, what two-dimensional figures are, and what it means for an object to have length, width, and depth. Finally, you’ll learn about some of the basic physical tools you can use to measure things like anglesand how far off course a kid and a robot can get on a boat out in the ocean! Watch the Math movie about show_flash("http://brainpop.speedera.net/www.brainpop.com/new_common_images/flash_files/84248.swf", "163", "80", ""); Related Topics: Volume of Cylinders Circles Angles Area of Polygons ... See a Full List of Topics BrainPOP is a business name of FWD Media, Inc. Your use of the site indicates your agreement to be bound by our and

88. Standards For School Mathematics: Geometry On this site you will find the electronic Principles and Standards for School Mathematics. NCTM's visionary document for teaching mathematics at any level. http://standards.nctm.org/document/chapter3/geom.htm

Geometry Instructional programs from prekindergarten through grade 12 should enable all students to analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships; specify locations and describe spatial relationships using coordinate geometry and other representational systems; apply transformations and use symmetry to analyze mathematical situations; use visualization, spatial reasoning, and geometric modeling to solve problems. Geometry and spatial sense are fundamental components of mathematics learning. They offer ways to interpret and reflect on our physical environment and can serve as tools for the study of other topics in mathematics and science. Geometry is a natural area of mathematics for the development of students' reasoning and justification skills that build across the grades. As the study of the relationships among shapes and their properties becomes more abstract, students should come to understand the role of definitions and theorems and be able to construct their own proofs. For example, students in high school should be able to prove that the area of a triangle formed by vertices that bisect the sides of a larger triangle equals one-fourth of the area of the larger triangle. Principles and Standards calls for geometry to be learned using concrete models, drawings, and dynamic software. With appropriate activities and tools and with teacher support, students can make and explore conjectures about geometry and reason carefully about geometric ideas.

89. Paolo Aluffi Florida State University. Algebraic geometry classic enumerative problems. Papers and preprints. http://www.math.fsu.edu/~aluffi/

HOME PAGE of Paolo Aluffi Click here to access the Mathematical Reviews (FSU only) Something about myself Position: Professor of Mathematics, Florida State University Address: Math. Dept., F.S.U., Tallahassee, FL 32306 Telephone: (850)-644-2202 Email: my lastname at math dot fsu dot edu A reasonably up-to-date vita My pedigree , according to the Mathematics Genealogy Project I am associate editor for the Journal of Singularities , a publication of the Worldwide Center of Mathematics Recent work: Verdier specialization via weak factorization Graph hypersurfaces and a dichotomy in the Grothendieck ring (with Matilde Marcolli). Publications Preprints Published papers Books and other publications ... List of errata for Algebra: Chapter 0 . (Last updated: 10/12/10.) Other Items Of Interest: Weather and news BBC France 24 Tagesschau NPR - All Things Considered ... Weather in selected cities Preprints etc. FSU Mathematics Department Eprints arXiv.org Front for the arXiv Filed papers, notes from talks Organizations AMS Universities by country Shortlist of Mathematical Institutes Mathematics Information Servers Resources Wikipedia White pages DeutschEnglish Maps, by address

90. Sundry Algebraic Geometry And Commutative Algebra Sites A list of personal home pages. http://www.math.unl.edu/~bharbourne1/alggeom.html

I have compiled this list from a number of sources; if you know of addresses (your own or others) involving Algebraic Geometry or Commutative Algebra that I could include, please send me a note! Paolo Aluffi Kevin Coombes Duke archive Brian Harbourne ... Mika Seppala Mail Comments to: bharbourne@unl.edu

91. Geometry -FREE Presentations In PowerPoint Format, Interactive Activities, Lesso geometry and Measurement (several, Mr Hammond s unit) Introduction To geometry Points, Planes, Lines, Figures geometry (many) http://math.pppst.com/geometry.html

Home Math Index Free Presentations Free Games ... Free Templates Free Presentations in PowerPoint format Tools of Geometry (several, Mr Hammond's unit) Geometry Powerpoints Geometry and Measurement (several, Mr Hammond's unit) Introduction To Geometry - Points, Planes, Lines, Figures ... Geometry Jeopardy Games See Also: Angles Measurement Tessellations Bridges For Kids Shape Games Geometry PK-2 Thinkquest Geometry Tangrams ... Geometry games (Shodor Interactive) For Teachers Graphic Organizers for Geometry (many) Geometry - kids, teachers Geometry Mini Movies Geometry Games for Review ... Free Materials for Teachers ALL ART OWNED BY PHILLIP MARTIN

92. Geometry - Math For Morons Like Us Math for Morons Like Us geometry Parallel Lines Congruent Tri. Congruent R. Tri. http://library.thinkquest.org/20991/geo/index.html

Parallel Lines Congruent Tri. Congruent R. Tri. Isosc. and Equil. ... Computer Fun Welcome to the Geometry portion of the site! On this and the following pages, we'll try to clear up some of the common problems people have with geometry (which seems to stump just about everyone who's ever taken it). Everything from parallel lines to volumes of prisms and a couple of word problems are covered. After each section, there is an optional (though highly recommended) quiz that you can take to see if you've fully mastered the concepts. Don't forget to visit the message board and the formula database Click any of the links below to go to the section you need help with. Parallel Lines Transversals How to tell if lines are parallel Using parallel lines to gather information about triangles Congruent Triangles Side-Angle-Side Side-Side-Side ... Congruent parts (CPCTC) Congruent Right Triangles Leg-Leg Leg-Acute Angle Hypotenuse-Acute Angle ... How to tell if it is a parallelogram Ratios Similar Polygons Special conditions for triangles Parallel intersections Special Triangles Pythagorean theorem ... Inscribed angles Angles involving tangents and/or secants Segments in circles Circumference and arc length Area Rectangles Squares ... Circles and sectors Other polygons Coordinate Geometry Midpoint formula Slope Equations Distance formula Triangle Inequality Area and Volume of Solids Prism Area Prism Volume ... Spheres And, for all you computer nerds our there, we've included a section full of short QBasic programs that do basic geometry problems. Feel free to download them, use them, and improve them (they're

93. SFB/TR 45; Research Groups Boeckle Esnault Viehweg: Preprints Algebraic geometry Research Group. http://www.uni-essen.de/~mat903/alggeo.html

This page has moved. Diese Seite ist umgezogen. http://www.esaga.uni-due.de/publications/2010/ Please update your bookmarks. Preprints (starting January 2007) (pdf-file; 336 KB) (pdf-file; 801 KB) Lior Bary-Soroker and Nguyen Duy Tan On p-embedding problems in characteristic p (pdf-file; 178 KB) On the algebraic fundamental group of smooth varieties in characteristic $p>0$ (pdf-file; 46,1 KB) Marcello Bernardara, Georg Hein The Euclid-Fourier-Mukai algorithm for elliptic surfaces (pdf-file; 232 KB) Deformation rings for some mod 3 Galois representations of the absolute Galois group of Q (pdf-file; 295 KB) Algebraic Hecke characters and compatible systems of abelian mod p Galois representations over global fields (pdf-file; 250 KB) Surface singularities dominated by smooth varieties (pdf-file; 183,4 KB) On the computation of algebraic modular forms on compact inner forms of GSp4 (pdf-files; 278 KB). Weak Density of the Fundamental Group Scheme (pdf-file; 216,2 KB) Luis Dieulefait, Gabor Wiese On Modular Forms and the Inverse Galois Problem.

94. Table Of Contents - Math Open Reference Plane geometry. Introduction to Plane geometry Points, lines and planes Angles Parallel lines Triangles Quadrilaterals Polygons Congruence Similar polygons, http://www.mathopenref.com/

95. Harvard/MIT Algebraic Geometry Seminar Schedule of talks and abstracts. http://www-math.mit.edu/~abuch/seminar/

Harvard/MIT Algebraic Geometry Seminar 2001-2002: Tuesdays 3:00-4:00 The Harvard/MIT Algebraic Geometry Seminar will alternate between Harvard (Room 507) and MIT (Room 4-163 unless otherwise noted) on Tuesdays. Schedule of upcoming talks: Date Speaker Place Title February 5 Amnon Yekutieli Harvard Perverse sheaves and dualizing complexes over noncommutative ringed schemes February 12 Sam Grushevsky MIT Effective Schottky problem February 19 Gavril Farkas Harvard Stable bundles, difference varieties and divisors on moduli spaces of pointed curves February 26 Edward Frenkel MIT Geometric Langlands correspondence and Kac-Moody algebras March 5 Frans Oort Harvard Moduli spaces of abelian varieties in positive characteristic March 12 Yuri Tschinkel MIT Rational and integral points on algebraic varieties March 19 Dan Avritzer Harvard Desargues configurations and curves of genus 2 March 26 No seminar Spring Break April 2 Eduardo Esteves Harvard Limit linear systems and ramification points April 9 Lars Hesselholt MIT K-theory of a henselian discrete valuation field with non-perfect residue field dvi April 16 Harry Tamvakis Harvard Arithmetic Schubert calculus and applications April 23 Tom Graber MIT Quantum Chow rings of Deligne-Mumford stacks April 30 Ana-Maria Castravet Harvard Rational Families of Vector Bundles on Curves May 7 David Sheppard MIT Morphisms of hypersurfaces Resources: Abstracts in dvi, ps, and pdf format

96. Geometry The reason for this site is to rekindle an interest in the Elements, and to show how Java applets can be used to illustrate geometry. http://or.amatyc.org/geometry.htm

Geometry Coordinates and similar and congruent figures Definitions and explanations from the Math League. Erich’s Packing Center Erich enjoys packing geometric shapes into other geometric shapes: triangles in squares, circles in triangles, squares in circles, and more, with illustrations, equations, and indications of packings that have been proved optimal. Euclid’s Elements The reason for this site is to rekindle an interest in the Elements, and to show how Java applets can be used to illustrate geometry. Four Types of Symmetry in the Plane This Math Forum site offers brief explanations of rotation, translation, reflection, and glide reflection. Geometry Center The gallery of Interactive Geometry will open your eyes to such things as Projective Conics, Penrose tilings, Hyperbolic planes, Orbifold pinball, and much more. Keywords Hyperbolic plane, Lattice, Nonperiodic tilings, Numerical integration, Orbifold Pinball, Pascal`s theorem, Penrose tilings, Projective conics, Rainbows, Tilings All the formulas you've ever wanted. There are also plenty of great teacher resources, pictures describing geometrical functions, and computer programs for geometry. Geometry in Action Here are areas in which ideas from discrete and computational geometry - mainly low-dimensional Euclidean geometry - meet some real world applications. There are brief descriptions of those applications and the geometric questions arising from them, as well as pointers to Web pages and other sources of further information.

97. Geometry Phi appears in many aspects of geometry and has many unique, intriguing relationships and properties. http://goldennumber.net/geometry.htm

GoldenNumber.net Home Contact Meet the Phi Guy "Phriends" in Phi ... News Phi The Golden Number Geometry ITE SECTIONS: Home Overview Design/Composition Life ... Mathematics Geometry Stock Market Foreign Exchanges Theology Cosmology ... Other Phi Resources IN THIS SECTION: Phi in Circles Phi in Triangles Orthogons Penrose Tiling ... Phi Formula Geometry Jump to any topic Home Phi Overview Acoustics Architecture Art Bible Bucky Balls Circle constructions Color Compositions Cosmology Credit Cards Divine Proportion Earth's Golden Ratio Energy Fibonacci Series Fibo's 24 Pattern Five (5) and Phi Foreign Exchanges Geometry Golden Section Golden Triangles History Life Logos and Design Human Hand / Foot Human Face Human Body Human Beauty Development Human Heartbeat Human Health Human Teeth Body Temperatures Animals 1 Animals 2 Plants DNA Mandalas Mathematics Marketing/Design Means Music Orthogons Pascal's Triangle Penrose Tiling Phi Formula Geometry Phi Phonetics Phi's Phormula Phi Symbol Phi to 20000 places Poetry Population Growth Powers of Phi Pronouncing Phi Quasi-crystals Quantum Matter Quantum Time Quincy Park Quotations Software Solar System Spirals Stock Markets Theology Universe Phi Design Contest Affliates Do It Yourself!!!

98. (USA) Chicago Algebraic Geometry Seminar List of talks, with abstracts. http://www.math.uchicago.edu/~howard/agcal.cgi

99. Geometry Jan 7, 2010 Conic construction of a triangle from the feet of its angle bisectors, Journal for geometry and Graphics, 12 (2008) 171182. http://math.fau.edu/Yiu/geometry.html

Paul Yiu Department of Mathematics Florida Atlantic University An Introduction to the Geometry of the Triangle, 2001 [ ps file pdf Notes on Euclidean Geometry, 1998 Elementary Mathematical Works of Leonhard Euler, 1999 ps file pdf with a chronologial listing of Euler's works [ ps file pdf Recreational Mathematics, 2003 Number Theory, 2007 ... A Tour of Triangle Geometry February 2004 A Short Tour of Triangle Geometry Around the Nine-point Circle (GSP), April 2007 Regular Heptagon by Angle Trisection and Other Constructions [ ps pdf April 2007 Heron triangles which cannot be decomposed into two integer right triangles [ ps pdf ], February 2008 The circles of Lester, Evans, Parry, and their generalizations, August 2008. Heptagonal triangles and their companions ps pdf ], February 2009.

100. Shape And Space In Geometry geometry is the mathematics of shape and space. It's about the properties of objects (their angles and surfaces, for instance) and the consequences of how these objects are http://www.learner.org/teacherslab/math/geometry/

Geometry is the mathematics of shape and space. It's about the properties of objects (their angles and surfaces, for instance) and the consequences of how these objects are positioned (where their shadows fall, how people must move around them). Here's a chance to put those memories to rest, to experience geometry anew. At its roots, geometry is not abstract. Rather, it's fun and colorful, instructive and practical. Geometry is about real things: how big they are, whether they fit, how to find them, what they look like in a mirror. Geometry is naturally concrete. This lab divides activities into two broad categories. Activities about shape center on identifying properties of various shapes and measuring their dimensions. Activities about space Simply put, geometry is important to real life. Before you start the activities, read this background to find out why. Home Catalog About Us Search ... Legal Policy

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