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All Sites - 5549 items found, showing 1401 to 1450
 EqWorld: The World of Mathematical Equations - Andrei D. Polyanin, editor Extensive information on solutions to various classes of algebraic, ordinary differential, partial differential, integral, and other mathematical equations. It also outlines methods for solving equations, includes interesting articles, gives links to ...more>> The Erdos-Strauss Conjecture (ESC) - Allan Swett The conjecture states that that for any integer n > 1 there are integers a, b, and c with 4/n = 1/a + 1/b + 1/c, a > 0, b > 0, c > 0. The page establishes that the conjecture is true for all integers n, 1 < n <= 10^14. With links to ...more>> The Erdös Number Project - Jerry Grossman Paul Erdos wrote hundreds of mathematical research papers in many different areas, many in collaboration with others. His Erdos number is 0. Erdos's co-authors have Erdos number 1. People other than Erdos who have written a joint paper with someone with ...more>> 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>> 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>> Erich's Puzzle Palace - Erich Friedman Mathematical puzzles, with solutions, in the following categories: mirror puzzles, number puzzles, hex loop puzzles, path puzzles, battleship puzzles, triangulation puzzles, grid puzzles, cris-cross puzzles, weight puzzles, and logic puzzles. In particular, ...more>> Eric's Treasure Trove of Life - Eric Weisstein A description of John Conway's Game of Life, with a searchable database of definitions and animated examples of possible patterns. ...more>> Eric Weisstein's World of Scientific Biography - Eric Weisstein. Wolfram Research The World of Biography briefly outlines the discoveries and advances of over 250 mathematicians, and includes links to publications with more historical details about the individuals. Each notecard-like bio puts a face to the entries in MathWorld, Weisstein's ...more>> ESAIM: P&S - Probability and Statistics - EDP Sciences An electronic journal created to publish original research and survey papers in the area of probability and statistics, covering theoretical and practical aspects in any field of these domains. Of particular interest are methodological developments with ...more>> Escher and the Droste effect - B. de Smit and H. W. Lenstra Jr., Mathematisch Instituut, Universiteit Leiden, the Netherlands Applying mathematics to Escher's Print Gallery. A mathematical analysis of Escher's "The Print Shop," including an image of the original print. See the article (PDF format) Artful Mathematics: The Heritage of M.C. Escher in the Notices of the AMS, bringing ...more>> Escher Tiles - Hop David Tessellations that resemble recognizable objects, created by the author in the style of M. C. Escher. ...more>> Escher Web Sketch - Wes Hardaker, Gervais Chapuis; Univ. of Lausanne, Switzerland A Java applet that allows you to draw repeating patterns. With documentation on how to use the applet, a pattern archive, the authors' favorite patterns, a link to download Escher Web Sketch, the program's source code, and interesting crystallographic ...more>> Eskimo Pi - Keith Devlin (Devlin's Angle) "As everyone knows, in the last century, the State of Indiana passed a law legislating the value of pi to be 3. Well, perhaps it's a bit of an exaggeration to say that everyone knows it, but most people do. But that alone is very odd, since it is not ...more>> Espaces Fibrés et Connexions - Robert Coquereaux Un livre de géométrie différentielle en hypertexte; une introduction a la théorie des espaces fibrés et des connexions. A hypertext book in French on differential geometry. ...more>> Essay Ideas - Jim Wilson, Dept. of Mathematics Education, Univ. of Georgia For a course on Using Computers in Mathematics Instruction. Friday the 13th (show there are at most three and at least one Friday the 13th in each year, consider when two consecutive months can be have Friday the 13th); Gingerbread Man (a Microsoft Excel ...more>> An essay on patterns in musical composition, transformation, mathematical groups and the nature of musical substance - Bill Hammel An article on music composition and history, with a discussion of the organizing principles of various musical scales as they affect musical composition and links to related sites. ...more>> Essays on Constructivism and Education - Tom O'Haver; Maryland Collaborative for Teacher Preparation An extensive collection of articles on constructivist teaching strategies, change in education, technology in the classroom, hypertext and cognitive flexibility, constructivist pedagogy readings, and more. ...more>> Estadistika - SINCOW Software for statistical analysis written in PHP: includes measures of central tendency, frequency distributions, median, mode, average, graphic results, surveys online. Free trial version. Free online calculator also available. ...more>> Ethical Guidelines (AMS) - American Mathematical Society Guidelines prepared by the Special Advisory Committee on Professional Ethics, (Murray Gerstenhaber, Frank Gilfeather, Elliott Lieb, and Linda Keen, chair), and adopted by the Council in the Spring of 1995 in the name of the Society. Topics address: Mathematical ...more>> Ethics in Science - Dept. of Chemistry, Virginia Polytechnic Institute A bibliography of publications that pertain to ethics and misconduct in science; Internet-based resources related to ethics and misconduct in science, including hyperlinks to online professional codes of conduct; Selected Essays on Ethics in Science (the ...more>> Ethnomathematics and STEM Institute - University of Hawai'i at Mānoa Exploring "culturally responsive science, technology, engineering, and mathematics (STEM) pedagogy" across the State of Hawai‘i through the Mathematics Common Core State Standards (CCSS) and Next Generation Science Standards (NGSS). Freely downloadable ...more>> Euclid A VRML based project that demonstrates the construction of the five Platonic Solids from Book 13 of Euclid's Elements. The aim of the original Euclid project was to provide a clearer sense of the classical geometry of Euclid's Elements. It is hoped that ...more>> Euclid and his Elements - Donald Lancon, Jr.; University of Houston A paper written for a Survey of Math class at Bellaire High School(Bellaire, Texas): a discussion of what is known about Euclid's life and his works other than the Elements, followed by a systematic study of the Elements, examining its content, structure, ...more>> EuclideanSpace - Martin Baker Introductions to algebra, geometry, calculus, discrete math, and statistics, particularly where relevant to 3D programming. In each subsection, Baker lays out notation and defines key terms to the right, in grey boxes with brown headers. ...more>> Euclid Lab This California-based nonprofit operates Camp Euclid, a mathematics research camp for high school students, as well as a sister program for junior and senior researchers (MRPU). See also Euclid Lab's "math blog written for all," Unsolved:, which discusses ...more>> EucliDraw - Kostas Pamfilos, George Nikoloudakis, and Paris Pamfilos A program to draw plane Euclidean geometry figures. Features include an extensible toolbox, animations, Euclidean and arbitrary transformations, a catalogue of triangle-center-tools, Scheme-Sockets to combine and generate complicated schemes and fractals, ...more>> Euclid's Elements - David Joyce; Dept. of Mathematics & Computer Science, Clark University A version of Euclid's Elements created by David Joyce to rekindle an interest in the Elements and to show how java applets can be used to illustrate geometry and to bring the Elements alive. The text of all 13 Books is complete. Joyce writes: "...deductive ...more>> Euclid's Fourteenth Book - Ivars Peterson (MathLand) Officials of the Foundation for Old Occidental Languages announced today that, after a year devoted to authentication and analysis, they are prepared to release the text of a manuscript that appears to be a Latin translation of research notes jotted down ...more>> Eugenia Cheng Research as well as "things for non-specialists" by a mathematician "keen to bring mathematics to a wider audience and help reduce maths phobia." Articles by the author of Higher-Dimensional Categories: An Illustrated Guide Book and Cakes, Custard and ...more>> Euklides - Peter Simon Dynamic geometry shareware for two-dimensional geometry; besides the basic elements, Euklides supports conics and point tracking (locus, cycloid). The multi-layer capability ensures easy and efficient construction of drawings. The software produces precise ...more>> EUKLID - Roland Mechling Dynamic geometry shareware in German and English. Create geometrical constructions on the screen just as on paper; then take a point in your drawing and drag it to another place, and the geometrical relations between all of the objects will be preserved. ...more>> Euler 2007 A celebration of Euler's 300th birthday in April 2007. Papers and abstracts from the various symposia and colleges are archived here, and further links to resources and web pages are offered. ...more>> Euler and Erdős - Jean Pierre Mutanguha Blog of self-described amateur research in tribute to Leonhard Euler and Paul Erdős, "muses" to an author who considers it "hard to find math blogs aimed at undergraduates." Posts, which date back to May, 2013, have included "Envelopes and Astroids," ...more>> The Euler Archive The Euler Archive is an online resource for Leonhard Euler's original works and modern Euler scholarship. The searchable database provides access to his original publications, references to available translations, and current research. Also available ...more>> Euler Bricks and Perfect Polyhedra - Ivars Peterson (MathTrek) "In the October Mathematics Magazine, Blake E. Peterson of Brigham Young University in Provo, Utah, and James H. Jordan of Washington State University in Pullman draw attention to perfect boxes and polyhedra. Their starting point is the problem of finding ...more>> The Euler Characteristic of an Orbifold (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center Suppose we have a symmetric pattern in the plane. We can make a symmetric map by subdividing the quotient orbifold into polygons, and then 'unrolling it' or 'unfolding it' to get a map in the plane... ...more>> Euler Function and Theorem - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny A description with proof, lemma, and related links. ...more>> Eulerian Video Magnification for Revealing Subtle Changes in the World - Wu, Hao-Yu; et al. Freely downloadable Matlab code that takes standard video sequence as input, applies spatial decomposition and temporal filtering, then amplifies the resulting signal to reveal temporal variations in videos otherwise difficult or impossible to detect ...more>> The Euler Line and the 9-point Circle - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny A geometric explanation of the Euler Line - how complex numbers give us a broader outlook on the geometric configuration - and the 9-point circle of a triangle ABC, which passes through the feet of the three altitudes, the midside points of ABC, and the ...more>> The Euler Number (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center If we have a polyhedron, we can compute its Euler number, x=V-E+F. In fact, we computed Euler numbers ad delectam. Why did we do this? One reason is that they are is easy to compute. But that is not obviously a compelling reason for doing anything in ...more>> The EULER Project - European Commission, Telematics for Libraries Query a range of databases simultaneously through a single search interface. The European Libraries and Electronic Resources in Mathematical Sciences (EULER) service searches for mathematical resources such as books, pre-prints, Web pages, abstracts, ...more>> The Euler Society The Euler Society was founded in 2002, and over the last six years has been highly successful in reinvigorating the teaching, learning, and wider understanding of Euler's role in mathematics and in the history of science. The Society continues to use ...more>> Euler Systems - Karl Rubin One of the most exciting new subjects in Algebraic Number Theory and Arithmetic Algebraic Geometry is the theory of Euler systems. Euler systems are special collections of cohomology classes attached to p-adic Galois representations. Here, in the first ...more>> Euro-Math-Job - Sigmundur Gudmundsson; Lund University, Sweden Vacant academic positions in the European Departments of Mathematics and Statistics: links to job pages around Europe, set up and maintained by the various member societies of the EMS, established by Sigmundur Gudmundsson (Lund University, Sweden) on ...more>> The European Consortium for Mathematics in Industry (ECMI) A society to promote the use of mathematical models in industry and educate industrial mathematicians. Conferences, newsletter, certificate program in industrial mathematics, and prizes for related work. ...more>> European Journal of Pure and Applied Mathematics - Tekir, Ünsal; Çetin, Eyüp; and Delice, Ali, Editors-in-Chief An international electronic journal for original research in the field of pure and applied mathematics and their teaching and learning. "The aim of the journal is to provide a medium by which a wide range of experience can be exchanged among researchers ...more>> The European Mathematical Information Service (EMIS) - European Mathematical Society (EMS) Information about the EMS and its activities and projects (EULER and the Jahrbuch project); corporate and individual member listings; EMIS updates, conference calendar, job listings for the European mathematical community, other activities, and math links ...more>> European Women in Mathematics (EWM) A society of women bound by a common interest in the position of women in mathematics. Membership information, meetings and conferences, and a newsletter. ...more>> Europe - Mathematics and the Liberal Arts - Todd Hammond Notes on published articles: a resource for student research projects and for teachers interested in using the history of mathematics in their courses. Many pages focus on ethnomathematics and on the connections between mathematics and other disciplines. ...more>> Eurostat The statistical office of the European Union, Eurostat collects statistics about European Union member countries, their neighbors, and their trading partners worldwide. Includes an introduction to Eurostat, selected socioeconomic figures including data ...more>>
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