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  All Sites - 5533 items found, showing 1201 to 1250

  1. Does March Madness need a time-out? - J. Travis - Science News Online
    Suggestions about the effects of circadian rhythms, daily cycles of physiological activity that every organism experiences, and changes in time zone (causing 'jet lag'), on sports teams. ...more>>

  2. Domino Artwork - Robert Bosch
    Mathematical artwork of Bosch, who uses optimization techniques to create domino mosaics, flexible Truchet-tile mosaics, map-colored mosaics, Traveling Salesman Problem (TSP) art, simple-closed-curve sculptures, loops, labyrinths, and more. A professor ...more>>

  3. Donald Coxeter, Mathematician and Geometer - Great Canadian Scientists (GCS)
    Harold Scott MacDonald Coxeter, Professor Emeritus, Math Dept., Univ. of Toronto, is best known for his work in hyperdimensional geometries and regular polytopes - geometric shapes that extend into the 4th dimension and beyond. In 1926 he discovered a ...more>>

  4. Don Hatch's Home Page - Don Hatch
    Hyperbolic tessellations shown in various stages of truncation, and represented by their Schlafli symbols. Java applets explore hyperbolic tessellations, a magic Rubik's-like cube in four dimensions, polygon reciprocation (dual), modern portfolio theory ...more>>

  5. Don Knuth's Home Page - Donald E. Knuth, Stanford University
    From the author of The Art of Computer Programming. "Computer Musings" chronologically documents Knuth's informal lectures at Stanford. It also links to Musings Online, digitized versions of videos from the lecture series that included Dancing Links; ...more>>

  6. Doodling and Miracles - Cut the Knot!, Alexander Bogomolny
    Almost 100 years ago, Frank Morley proved a curious theorem from elementary geometry that had remained unknown until 1899. With time, the theorem became known in mathematical folklore as Morley's Miracle (Morley's Trisector Theorem is a more mundane term.) ...more>>

  7. The DOR: Home of the Direct Opposite Reverse - David P. Sterner
    Sterner developed this shape, which he calls a geometric "missing link", and has applications as a lens. ...more>>

  8. Doron Zeilberger's Electronic Headquarters
    Doron Zeilberger researches combinatorics using computer programs. The site is notable for his Opinions page; these opinions are wide-ranging but touch upon mathematics education, the use of computers, and the value of incomplete proofs. All of Zeilberger's ...more>>

  9. DOSE - G. B. Rubalsky
    Determine Optimal Stocks Efficiently (DOSE) stands for the two software products DOSE-TRADE and DOSE-SERVICE, solving optimal inventory control problems for trading enterprises and tech service enterprises. Both products work under Windows 95 and later, ...more>>

  10. Do software engineers need mathematics? - Keith Devlin (Devlin's Angle)
    Software engineers don't use their college mathematics, but they make use of their college mathematics education every day. Brains are perhaps the world's best examples of an adaptive system. When we subject the human brain to an extended educational ...more>>

  11. Do the Math - Slate
    A topical series about math in culture, politics, psychology, and other popular themes, many written by math professor Jordan Ellenberg. Articles, which date back to June, 2001, have included "Barry Bonds and the Placebo Effect," "Algebra for Adulterers," ...more>>

  12. DotNumerics - Josť Antonio De Santiago-Castillo
    DotNumerics is a Numerical Library for .NET written in C#. It provides routines for: Linear Algebra (CSLapack, CSBlas, CSEispack), Differential Equations, and Optimization. ...more>>

  13. Dot Patterns and Sierpinski Gasket - Cut the Knot!, Alexander Bogomolny
    How many ways are there to define the Sierpinski gasket (also, the Sierpinski triangle)? The author has counted a respectable 9 but would be happy to learn of more. An applet with rows of digits or circles with colors corresponding to the digits shows ...more>>

  14. Dots and Boxes - Ivars Peterson (MathTrek)
    The familiar pencil-and-paper game of Dots-and-Boxes can be played on several different levels of sophistication. Elwyn Berlekamp posits that the game can be played on at least four different levels. "Players at any level consistently beat players at ...more>>

  15. Double Bubble Conjecture Proved (Math Chat) - Frank Morgan, MAA Online
    Four mathematicians have announced a mathematical proof of the Double Bubble Conjecture: that the familiar double soap bubble is the optimal shape for enclosing and separating two chambers of air. In an address to the Undergraduate Mathematics Conference ...more>>

  16. Doug's Home Page - Douglas J. Ingalls
    Includes mathematical interests such as images of fractal applications of Newton's Method and Gibb's Phenomena, with related programs in FORTRAN and BASIC, a discussion of the apparent depth problem in optics, and how multiple decisions can be reduced ...more>>

  17. Downloadable Preprints - Dept. of Applied Mathematics and Statistics, Stony Brook
    Abstracts of papers (1991-) written by faculty and students in the department. Complete papers are available in PostScript, and can be downloaded from this site. They are also available via anonymous ftp. Recent Ph.D. Theses are also available. ...more>>

  18. Downloads - Mac - Mathematics - CNET Download.com
    Search this site to find a particular piece of software for the Mac, or browse their mathematics listings. ...more>>

  19. Downloads - PC - Mathematics - CNET Download.com
    Search this site to find a particular piece of software for the PC, or browse their mathematics listings. ...more>>

  20. DPGraph (Dynamic Photorealistic Graphing) - David Parker
    Software that allows you to: display multiple simultaneous dynamic photorealistic 3D implicit equalities and inequalities, and intersections of their volumes; spin, slice, and view time-dependent (moving) photorealistic surfaces in real time; and construct ...more>>

  21. DPlot Plotting Software for Scientists and Engineers - David Hyde
    A general purpose XY plotting program that features multiple scaling types, including linear, logarithmic, and probability scales, as well as several special-purpose plots: tripartite grids (shock spectra), grain size distribution plots, and polar plots. ...more>>

  22. Draft version of MSC2000 - European Mathematical Society (EMS)
    The proposed revision of the 1991 Mathematics Subject Classification (MSC), the classification used by the two reviewing journals Mathematical Reviews (MR) and Zentralblatt für Mathematik (Zbl) since the beginning of 1991. MSC2000 is the result of ...more>>

  23. Drawing Tools - Shai Duvdevani
    A growing group of .NET C# programs intended to make life easier for highschool and university students studying subjects such as math, computers and electronics. Each of these programs features saving and loading, so that sharing a drawing of logical ...more>>

  24. Drayton Analytics
    A provider of optimisation-related software to the Australian operations research community, and economic consulting services to the utility industries. ...more>>

  25. DreamCalc for Windows - Andy Thomas
    A freeware scientific calculator for Windows, intended to replace standard hand-held calculators. Fully featured range of math, scientific, statistical & financial functions. Supports natural fractions, complex numbers, base-n logic, unit conversions ...more>>

  26. Dream Frequency .com
    CGI web applications to calculate the factors of a number, calculate the prime numbers below a number, test a number for primality, calculate a word's position in the alphabetically sorted list, convert hex to ASCII, or convert temperature from celsius ...more>>

  27. The Drills To Play - Cut the Knot!, Alexander Bogomolny
    An exploration of a detail found at the beginning of Kurt Godel's biography by John Dawson, how repetition and practice constitute an integral and necessary part of the learning process; that, by implication, one first conceives an idea, then proves it ...more>>

  28. Dr Len Fisher: Opening the Door to Science - Len Fisher
    Fisher concentrates on the science of the everyday and making science accessible. His latest book is Rock, Paper, Scissors: Game Theory in Real Life. The site contains excerpts from his books as well as descriptions of his talks, articles about his work, ...more>>

  29. Dr. Rich's Page o' Math
    Math problems in algebra, trigonometry, and calculus, posted more or less monthly (past puzzles, with solutions, are on the Web). ...more>>

  30. Drums That Sound Alike - Ivars Peterson (MathLand)
    Peterson writes that physicists and mathematicians have long recognized that the shape of the boundary enclosing a membrane plays a crucial role in determining the membrane's spectrum of normal-mode vibrations. He outlines the progress made on Mark Kac's ...more>>

  31. Drunkard Walk - Vladimir Gusev
    An applet illustrating the one-dimensional drunkard walk algorithm, which describes the process of molecular diffusion in an equilibrium gas. ...more>>

  32. Dr. Vogel's Gallery of Calculus Pathologies - Thomas I. Vogel; Dept. of Mathematics, Texas A&M University
    In learning calculus, students develop intuitive ideas of such concepts as limit, continuity, differentiability, and so on, useful in dealing with simple examples, but potentially a hindrance to deeper understanding of the basic concepts of mathematical ...more>>

  33. DS Dynamical Systems (Front for the Mathematics ArXiv) - Univ. of California, Davis
    Dynamical Systems preprints, from the U.C. Davis front end for the xxx.lanl.gov e-Print archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic. ...more>>

  34. DSP First: A Multimedia Approach - McClellan, Schafter, & Yoder
    The CD-ROM portion of the book, containing, for each chapter: Demos - quicktime movies, sound files, etc. that help reinforce the concepts introduced in the text; Labs - MATLAB based laboratory exercises for in-depth study of certain concepts and ideas ...more>>

  35. Duke University Math Union - Jadrian Miles
    The Duke University Math Union (DUMU) writes and hosts the annual Duke Math Meet. Download PDFs of problems and solutions from meets dating back to 1998. ...more>>

  36. Dynagraph - Rouben Rostamian, University of Maryland, Baltimore County
    Dynagraph is a 3D plotting utility for the X Window System. It draws 3D curves and surfaces representing mathematical expressions and numerical data, and allows for interactive rotation, zooming, and other manipulations of the displayed images. Read the ...more>>

  37. The Dynamical Systems and Technology Project at Boston University - Robert L. Devaney; Dept. of Mathematics
    An NSF-sponsored project designed to help secondary school and college teachers of mathematics bring contemporary topics in mathematics (chaos, fractals, dynamics) into the classroom, and to show them how to use technology effectively in this process. ...more>>

  38. Dynamical Systems data base - Giuseppe Zito
    A database of around 50,000 planar dynamical systems of the type described by the formula: x = f(x,y), y = g(x,y), where f and g are algebraic functions containing constants and the four operations. The database has been used to test new visualization ...more>>

  39. Dynamical Systems (Graphics Archive, Special Topics) - The Geometry Center
    Modeling the time-evolution of the state of a physical system of quantities, attempting to understand all possible long-term behaviors. ...more>>

  40. Dynamical Systems Home Page - Mathematics Department, SUNY-Stony Brook
    Links to announcements, conferences, a thesis server, seminar schedules, open problems in dynamical systems, programs to draw pictures of dynamical objects, a bibliography, and links to similar pages. ...more>>

  41. Dynamical Systems on the Torus - Paul Trow
    An illustrated essay introducing dynamical systems on the torus. ...more>>

  42. dynamical-systems.org
    An interactive laboratory on dynamical systems, in particular on particle systems. Software, Documents, and Links. Animated features include: Nonlinear chain; Forced Pendulum; Fermi system; Vlasov billiards; Vortex motion; 3 Body Problem; Convex Billiards; ...more>>

  43. Dynamic Geometry Sketches - Michael de Villiers
    Interactive dynamic geometry sketches with JavaSketchpad, Cinderella & GeoGebra. Includes interactive sketches for Van Aubel's theorem, generalizations of the nine-point circle and Euler line, Fermat-Torricelli point, and several Student Explorations ...more>>

  44. Dynamic Labyrinths - Inge Schwank, Institute for Cognitive Mathematics, Department of Mathematics and Computer Science, University of Osnabrueck
    Labyrinth construction sets to download or play online with Flash plug-in. ...more>>

  45. Dynamic Web Tools Using webMathematica - Steve Wilson and Mike Martin, Johnson County Community College, Kansas
    Interactive Web pages that allow students and faculty to compute and visualize mathematical results directly from a Web browser. Primarily for undergraduate courses, the pages are grouped by categories and a given page may be listed under several categories ...more>>

  46. Dynamische Geometrie Systeme (DGS) - Dr. Dörte Haftendorn
    In German. Characteristics and comparisons of dynamic geometry systems; Euklid: characteristics, material, notes, software, lessons; TI-92 calculator Cabri Geomètre materials. You may send for a 40-page booklet on "Dynamic Geometry of Systems" ...more>>

  47. Dyslexia - George Row
    A compensium of links to other WWW pages and discussion groups on Dyslexia: basics, organizations, bibliographies, archives, software, research; also special needs education in general; and pointers to general disability information. ...more>>

  48. e = 2.7182818285... - Rick Fowler; University of Saskatchewan, Canada
    History of and information about the number e, with links to sites on the Web and a hard copy reference. ...more>>

  49. EAGER (European Algebraic Geometry Research Training Network) - Wolfram Decker
    The members of EAGER are algebraic geometers in mathematical centres spreading among most European countries. These centres are grouped into twelve geographical nodes which are responsible for the management of joint research projects and for the training ...more>>

  50. E and M - Finzer, Berkelman, Bennett; Key Curriculum Press
    Two sketches showing how to model force fields. One sketch models a capacitor, and the other shows the strength at various points of the field generated by two charged particles. ...more>>

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