 Factasia: Mathematics  Roger Bishop Jones
Math essays organized into three categories: general (threads in the web of mathematics and reuse and abstraction); real numbers (a logical development, some history, and computing with reals); and history (a short history of rigour in mathematics, classical
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 FA Functional Analysis (Front for the Mathematics ArXiv)  Univ. of California, Davis
Functional Analysis preprints, from the U.C. Davis front end for the xxx.lanl.gov ePrint archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic.
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 Famous Curves Applet Index  MacTutor Math History Archive
From Astroid, Cardiod, Catenary, and Cayley's Sextic to the Trisectrix of Maclaurin, Tschirnhaus' Cubic, Watt's Curve, the Witch of Agnesi  and many more  click on the name of a curve to experiment with some of its associated curves.
(Your browser
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 Famous Curves Index  MacTutor Math History Archive
Links to pages illustrating more than 60 mathematical curves, with information on their history and associated curves. Anyone with the Mathematical MacTutor system or a Javaenabled browser can investigate these curves and their associated curves interactively.
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 Fano Varieties and Extremal Laurent Polynomials  Coates, Tom; Corti, Alessio; Galkin, Sergey; Golyshev, Vasily; Kasprzyk, Al
This research collaboration blogs about the creation of a directory of all possible shapes and geometric building blocks in the universe  the equivalent of a periodic table of the elements for three, four, and fivedimensional shapes. Along the way,
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 Fast Marching Methods and Level Set Methods  J. A. Sethian, University of CaliforniaBerkeley
Fast Marching Methods and Level Set Methods are numerical techniques that can follow the evolution of interfaces. These interfaces can develop sharp corners, break apart, and merge together. The techniques have a wide range of applications, including
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 The FBI Fingerprint Compression Standard  Chris Brislawn
A summary, with examples, of the Federal Bureau of Investigation's image coding standard for digitized fingerprints, developed and maintained by the FBI, Los Alamos National Lab, and the National Institute for Standards and Technology. The standard is
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 Federal Geographic Data Committee (FGDC)  Federal Geographic Data Committee (FGDC)
An interagency committee that promotes the coordinated use, sharing, and dissemination of geospatial data on a national basis. Search for data in the National Spatial Data Clearinghouse; browse related information in registered Clearinghouse Websites,
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 Feigenbaum's Constant  Anders Skovsted Buch
A picture showing a fraction of the Feigenbaum tree.
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 FElt (Finite ELemenT)
A free system for finite element analysis; this site provides an overview of some of its features. Contents: general overview of the FElt system components; example problems that demonstrate what kinds of problems FElt can solve, how FElt can help you
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 Fermat Computer Algebra System  Robert H. Lewis
Fermat is a computer algebra system that does graphing, and symbolic and numerical calculations. Fast and economical of space, the main version is oriented toward polynomial and matrix algebra over the rationals and finite fields; Smith normal form; polynomial
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 Fermat Project Description  Hanson, Kaplan, Heng; Center for Innovative Computer Applications (CICA)
Images, movies, videos, publications, presentations. An animation presents a popularized introduction to Fermat's Last Theorem. Threedimensional mathematical depictions are used in the beginning of the film to illustrate the meaning of the mathematical
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 Fermat's Last Theorem and Related Problems  Darrell Cox
A reformulation of Furtwangler's and Vandiver's theorems. Cox also introduces the "pth power
w.r.t." concept to derive Wieferich's criterion. Includes the C code that verified various propositions.
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 Fermat's Last Theorem  BBC Online  Horizon
About Andrew Wiles and the solving of FLT  with a link to a long programme transcript.
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 FermiEffect.com  Alice Caton
Links to biographies of Enrico Fermi and his granddaughters, computers and chaos theory, Fermi questions, and the Fermi paradox.
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 FeynmanKac Formulae: Genealogical and Interacting Particle Systems with Applications  Pierre Del Moral
Description of a published book on FeynmanKac path measures and their genealogical and interacting particle interpretations, with a range of applications including statistical physics, biology, and advanced engineering sciences. The site features PostScript
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 FFTW  Matteo Frigo and Steven G. Johnson
FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbitrary input size, and of both real and complex data. Download FFTW; read about its features; subscribe to its mailing list for announcements.
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 A Field Guide to the Orbifolds (Geometry and the Imagination)  Conway, Doyle, Gilman, Thurston; The Geometry Center
Tongueincheek hints for learning how to classify the 17 types of symmetry patterns in the Euclidean plane. "...information presented in this section has been gleaned from a cryptic manuscript discovered among the personal papers of John Conway after
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 The Fields Institute for Research in Mathematical Sciences  The Fields Institute for Research in Mathematical Sciences
The Institute's mandate includes programs devoted to leadingedge research in the mathematical sciences, advancement in mathematics education, enhanced graduate and postdoctoral training opportunities, and developing partnerships with industry to encourage
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 Fields Medals and Rolf Nevanlinna Prizes  The International Mathematical Union (IMU)
Information about these mathematics awards, with lists of recipients.
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 The Fifth Taxicab Number is 48988659276962496  David W. Wilson
An article on the search for the smallest integer that can be expressed as a sum of two positive cubes in 5 distinct ways, up to order of summands. The nth taxicab number is the least number which can be expressed as a sum of two positive cubes in n distinct
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 Figshare
"Get credit for all your research" with Figshare, which allows researchers to publish their data in a citable, searchable and sharable manner. Figshare's creative commons licensing especially facilitates the sharing of null results, thereby avoiding publication
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 Financial Mathematics, Financial Engineering and Risk Management Workshop  FinMath.com @ Chicago
All about Mathematical Finance and Derivatives  new books, journals, seminars, conferences, workshops.
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 Find OpenCourseWare with OCW Search  Pierre Far
An independent search engine that indexes all the course materials published freely online by universities that participate in the OpenCourseWare (OCW) initiative, including the Massachusetts Institute of Technology (MIT) and Stanford University. Search
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 Fine Structure Constant, alpha  James G. Gilson
Solution to a 20th century mystery: Feynman's conjecture of a relation between alpha, the fine structure constant, and pi. Includes the formula for alpha and some of its consequences.
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 Finite Canonical Commutation Relations  Bill Hammel
A working paper on finite canonical commutation relations (FCCR) nxn matrices as local kinematical replacement for CCR, and construction of REPS of CCR by pxp matrices over Galois fields. Contents include truncated creation and annihilation operators,
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 The Finite Element Circus  Richard S. Falk, Rutgers University
A regular conference devoted to the theory and applications of the finite element method, and related areas of numerical analysis and partial differential equations. Dates and locations, talks and poems, and a mailing list.
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 Finite Element Mesh Generation  Robert Schneiders
Mesh generation is an interdisciplinary area within numerical analysis that includes mathematicians, computer scientists, and engineers from many disciplines. This page is intended to build a bridge between theory and applications. People and research
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 Finite Rank Torsion Free Modules Over Dedekind Domains  E. Lee Lady; University of Hawaii
A book that discusses abelian group theory as not just another variety of group theory but the study of modules over principal ideal domains, a highly specialized branch of commutative ring theory. Postscript and DVI versions. Chapters: Modules Over Commutative
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 Finnish Mathematical Society (SMY)
A society for mathematics professionals and students. Introduction and membership information. More information is available in Finnish.
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 First occurrences of squarefree gaps and an algorithm for their computation
 Louis Marmet
This page reports the results of a search for first occurrences of squarefree gaps using an algorithm based on the sieve of Eratosthenes. The source code is supplied.
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 Flexagon  Magnus Enarsson
"A flexagon is a polygon folded from paper with a very remarkable quality: you can turn it inside out to make it reveal hidden surfaces." History, including the original discovery of the trihexaflexagon by Arthur H. Stone, as he folded strips of paper
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 Fluid Mechanics, Chaos and Mixing  Julio M. Ottino, Chemical Engineering Dept., Northwestern University
Research Interests of the Chaos and Mixing Group include: Granular Flows and SolidSolid Mixing; Competition Between Chaos and Order; LiquidLiquid Mixing; Mixing in 3D Flows; Mixing in Cell Culture Systems; SolidLiquid Mixing; and Geometric Aspects
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 FlyBase: A Database of the Drosophila Genome  Berkeley & European Drosophila Genome Projects
A searchable database of maps, genes, transposons, aberrations, stocks; genome projects, references, people, and images (body parts).
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 fMath: Mathematics on Web  Ionel Alexandru
fMath is a free Flash and Javascript library for displaying mathematics on the web: display equations in your site, edit the equations online, display graphs in your site.
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 Folding and Unfolding  Eric Demaine
A series of pages detailing research and findings in origami, including: fold and cut, folding silhouettes and wrapping polyhedra, map folding, unfolding polyhedra, folding polygons into polytopes, linkages, protein folding, hinged dissections, hyperbolic
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 FOLDOC: Free Online Dictionary of Computing  Denis Howe
A searchable dictionary of acronyms, jargon, programming languages, tools, architectures, operating systems, networking, theory, mathematics, telecoms, institutions, companies, projects, products, history, in fact anything to do with computing  and broad
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 Forget 'Back to Basics.' It's Time for 'Forward to (the New) Basics.'  Keith Devlin (Devlin's Angle)
What is the best way to prepare our children for life in the twentyfirst century? The first thing to realize is that the nation needs only 3 or 4 percent of the population to be highly skilled in mathematics. Of the remainder, hardly any will ever need
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 Formula Sheet  Timothy Setterfield
Formula Sheet gets images of formulae or copies them to LaTeX or Microsoft Word, and lets you upload, organize, share, render, and store them all in one place.
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 Formulator MathML Suite  Hermitech Laboratory
MathML authoring and educational software, video processing and digital signage. MathML editors can insert clean mathematical notation into your documents or web pages, and the educational component can be used to print jigsaw puzzles, dominoes, and more.
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 Foundations of Computational Mathematics
The FoCM's primary aim is to further the understanding of the deep relationships between mathematical analysis, topology, geometry and algebra and the computational process as they are evolving together with the modern computer. The meetings are unified
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 Foundations of Mathematics  Alex Sakharov
A collection of links to materials related to Foundations of Mathematics, organized as a book contents page, and intended to be a guide for studying the subject and a comprehensive Web reference. Naive Set Theory; Paradoxes; Formal Systems; Axiomatization;
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 Four Coloring Maps  Mario Stefanutti
Personal notes and ideas from a computer software engineer in pursuit of a "very easy pencil and paper proof of the four color problem." Posts, which date back to January, 2011, have included "Four color theorem: slow motion maps" and "Counting maps."
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 The Four Color Theorem  Robertson, Sanders, Seymour, Thomas; Georgia Tech
A brief summary of a new proof of the Four Color Theorem, with a fourcoloring algorithm found by Neil Robertson, Daniel P. Sanders, Paul Seymour and Robin Thomas, illustrated using a map of the United States. Contents: History; Why a new proof?; Outline
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 Fractal Geometry: Mathematical Techniques, Algorithms and Applications  The Institute of Mathematics and its Applications (IMA)
The IMA conference on Fractal Geometry, 2022 September 2000, a forum for discussing the mathematical basis of fractal geometry, and the computer implementation of fractal algorithms and their applications to modelling and analysing complex processes
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 Fractal Image Encoding  Yuval Fisher; Institute for Nonlinear Science, University of California at San Diego
A page with links to a variety of information and resources on fractal image encoding and related topics: Bibliographies and Other References; Books  including Fisher's own Fractal Image Compression: Theory and Application to Digital Images; Conferences
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 Fractal Metaphysics Home Page  Christopher Sunami
A clearinghouse of (serious) materials on the web focused on the relationship between fractal geometry, chaos theory, and metaphysics. Essays, related sites, galleries, and recommended reading.
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 Fractal Music: Research, Publications, and Compositions by Harlan Brothers  Harlan J. Brothers
In 2003, Benoit Mandelbrot suggested to Harlan Brothers that he undertake a rigorous treatment of the subject of fractal music. Here is an overview of Brothers’ subsequent research, including papers, definitions, and examples.
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 Fractals (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
An extensive list of links to sites with information about fractals, classified by level and type of resource.
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 Fractals (The Geometry Junkyard)  David Eppstein, Theory Group, ICS, UC Irvine
An extensive annotated list of links to material on fractals.
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