See also:

• Computers: Algorithms  (353)
• Science: Math: Algebra: Group Theory  (35)
• Science: Math: Probability  (113)

This category in other languages:
	German  (2)   Russian  (13)

Algebraic Combinatorics via Finite Group Actions - A hypertext by A. Betten, H. Fripertinger and A. Kerber..

ArXiv Front: CO Combinatorics - Combinatorics section of the Front for the Mathematics ArXiv..

Catalogue of Lattices - A catalogue of different types with applications to packing spheres by Neil Sloane and Gabriele Nebe..

CATS: Combinatorial Algorithms Test Sets - Searchable index of problems, links and methodology maintained by the Association for Computing Machinery..

Combinatorial Catalogues - Combinatorial objects such as graphs, designs and geometries collected by Gordon Royle..

Combinatorial Data - Brendan McKay's collection of miscellaneous tables in graph6 or sparse6 format..

The Combinatorial Object Server - Select a type together with specific parameter values and COS will return a list of all such combinatorial objects..

Combinatorics - Subfields in the AMS MSC 2000 classification 05..

Combinatorics - MathWorld article with basic definitions and links..

The Combinatorics Net - Maintained by Bill Chen..

The Cutting Sticks Problem - An unsolved combinatorial problem by Frans Faase..

East Side, West Side - Lecture notes by Herbert S. Wilf on generating combinatorial objects and Maple..

Encyclopedia of Combinatorial Structures - Searchable database of structures with specifications and counts..

Enumeration of the Binary Trees - A note on Catalan numbers by Ivan Galkin..

Extremal Combinatorics - With Applications in Computer Science by Stasys Jukna..

Four Colour Theorem: A Small Historical Insight - An essay by Dominic Verderaime..

Generating Functions - Introduction to generating functions with interactive java applets by Alexander Bogomolny..

G-Systems - Theory of chord structures to create music through algorithms by Vladimir Ladma..

Lectures in Combinatorics - An introduction to partially ordered sets, Dilworth's theorem, lattices and combinatorial geometries..

The Math Forum Math Library - Combinatorics - Comprehensive catalog of websites relating to Combinatorics..

On-line Dictionary of Combinatorics - An expanding web text by Joe Fields..

Series Expansions - Iwan Jensen counts polyominoes (aka lattice animals), paths, and various related quantities..

A Survey of Venn Diagrams - Various facts and figures about Venn diagrams by Frank Ruskey..

Topics in Mathematics - Combinatorics - In the Mathematics Archive at UTK..