Directory Home: Science: Math: Combinatorics  (434)

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Events - 74 sites  Journals - 25 sites  Open Problems - 6 sites

People - 36 sites  Research Groups - 17 sites  Software - 91 sites

Combinatorial Game Theory - 11 sites  Design Theory - 34 sites

Graph Theory - 112 sites

Combinatorics - Related Categories

 Computers: Algorithms - 319 sites
 Science: Math: Algebra: Group Theory - 30 sites
 Science: Math: Probability - 102 sites

Combinatorics - Web Sites

Algebraic Combinatorics via Finite Group Actions
A hypertext by A. Betten, H. Fripertinger and A. Kerber.
url: www.mathe2.uni-bayreuth.de/frib/html/book/hyl00.ht....

ArXiv Front: CO Combinatorics
Combinatorics section of the Front for the Mathematics ArXiv.
url: front.math.ucdavis.edu/math.CO

Catalogue of Lattices
A catalogue of different types with applications to packing spheres by Neil Sloane and Gabriele Nebe.
url: www.research.att.com/~njas/lattices/

CATS: Combinatorial Algorithms Test Sets
Searchable index of problems, links and methodology maintained by the Association for Computing Machinery.
url: www.jea.acm.org/CATS/

Combinatorial Catalogues
Combinatorial objects such as graphs, designs and geometries collected by Gordon Royle.
url: www.csse.uwa.edu.au/~gordon/data.html

Combinatorial Data
Brendan McKay's collection of miscellaneous tables in graph6 or sparse6 format.
url: cs.anu.edu.au/~bdm/data/

The Combinatorial Object Server
Select a type together with specific parameter values and COS will return a list of all such combinatorial objects.
url: www.theory.csc.uvic.ca/~cos/

Combinatorics
Subfields in the AMS MSC 2000 classification 05.
url: www.ams.org/msc/05-xx.html

Combinatorics
MathWorld article with basic definitions and links.
url: mathworld.wolfram.com/Combinatorics.html

The Combinatorics Net
Maintained by Bill Chen.
url: www.combinatorics.net/

Counting Young Tableaux
An article on counting Young tableaux of bounded height by François Bergeron and Francis Gascon.
url: bergeron.math.uqam.ca/Bessel/bessel.html

The Cutting Sticks Problem
An unsolved combinatorial problem by Frans Faase.
url: www.iwriteiam.nl/cutsticks.html

Encyclopedia of Combinatorial Structures
Searchable database of structures with specifications and counts.
url: algo.inria.fr/encyclopedia/

Enumeration of Polyhedra
Enumeration of polyhedra with upto 9 faces by Steven Dutch.
url: www.uwgb.edu/dutchs/symmetry/polynum0.htm

Enumeration of the Binary Trees
A note on Catalan numbers by Ivan Galkin.
url: ulcar.uml.edu/~iag/CS/Catalan.html

Extremal Combinatorics
With Applications in Computer Science by Stasys Jukna.
url: www.thi.informatik.uni-frankfurt.de/~jukna/EC_Book....

Generating Functions
Introduction to generating functions with interactive java applets by Alexander Bogomolny.
url: www.cut-the-knot.org/blue/GeneratingFunctions.shtm....

G-Systems
Theory of chord structures to create music through algorithms by Vladimir Ladma.
url: www.sweb.cz/vladimir_ladma/english/music/articles/....

Lectures in Combinatorics
An introduction to partially ordered sets, Dilworth's theorem, lattices and combinatorial geometries.
url: www.freewebs.com/desargues/combinatorics.htm

The Math Forum Math Library - Combinatorics
Comprehensive catalog of websites relating to Combinatorics.
url: mathforum.org/library/topics/combinatorics/

A New Proof of the Four Colour Theorem
By Ashay Dharwadker. Includes profile, research papers for other algorithms, lecture notes, and student database.
url: www.geocities.com/dharwadker/

On-line Dictionary of Combinatorics
An expanding web text by Joe Fields.
url: www.southernct.edu/~fields/comb_dic/

Polya's Enumeration Theorem
An article on generating functions and Polya's theory of counting by Karl Dahlke.
url: www.mathreference.com/cmb-gf,pet.html

Series Expansions
Iwan Jensen counts polyominoes (aka lattice animals), paths, and various related quantities.
url: www.ms.unimelb.edu.au/~iwan/Series.html

The Seventeen Wallpaper Groups
Examples in traditional Japanese patterns.
url: mathmuse.sci.ibaraki.ac.jp/pattrn/PatternE.html

Squared Squares
Tilings of squares and rectangles, the classical problem and variations.
url: www.squaring.net/

A Survey of Venn Diagrams
Various facts and figures about Venn diagrams by Frank Ruskey.
url: www.combinatorics.org/Surveys/ds5/VennEJC.html

Topics in Mathematics - Combinatorics
In the Mathematics Archive at University of Tennessee, Knoxville.
url: archives.math.utk.edu/topics/combinatorics.html

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