Events 82
Journals 26
Open Problems 6
People 36
Research Groups 17
Software 92
Combinatorial Game Theory 11
Design Theory 37
Graph Theory 119
| | Algorithms - Computers 341
Group Theory - Algebra, Math, Science 34
Probability - Math, Science 111
 Algebraic Combinatorics via Finite Group ActionsAlgebraic Combinatorics via Finite Group Actions
 A hypertext by A. Betten, H. Fripertinger and A. Kerber.
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ArXiv Front: CO CombinatoricsArXiv Front: CO Combinatorics
 Combinatorics section of the Front for the Mathematics ArXiv.
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Catalogue of LatticesCatalogue of Lattices
 A catalogue of different types with applications to packing spheres by Neil Sloane and Gabriele Nebe.
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CATS: Combinatorial Algorithms Test SetsCATS: Combinatorial Algorithms Test Sets
 Searchable index of problems, links and methodology maintained by the Association for Computing Machinery.
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Combinatorial CataloguesCombinatorial Catalogues
 Combinatorial objects such as graphs, designs and geometries collected by Gordon Royle.
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Combinatorial DataCombinatorial Data
 Brendan McKay's collection of miscellaneous tables in graph6 or sparse6 format.
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The Combinatorial Object ServerThe Combinatorial Object Server
 Select a type together with specific parameter values and COS will return a list of all such combinatorial objects.
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CombinatoricsCombinatorics
 Subfields in the AMS MSC 2000 classification 05.
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CombinatoricsCombinatorics
 MathWorld article with basic definitions and links.
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The Combinatorics NetThe Combinatorics Net
 Maintained by Bill Chen.
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Counting Young TableauxCounting Young Tableaux
 An article on counting Young tableaux of bounded height by François Bergeron and Francis Gascon.
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The Cutting Sticks ProblemThe Cutting Sticks Problem
 An unsolved combinatorial problem by Frans Faase.
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Encyclopedia of Combinatorial StructuresEncyclopedia of Combinatorial Structures
 Searchable database of structures with specifications and counts.
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Enumeration of PolyhedraEnumeration of Polyhedra
 Enumeration of polyhedra with upto 9 faces by Steven Dutch.
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Enumeration of the Binary TreesEnumeration of the Binary Trees
 A note on Catalan numbers by Ivan Galkin.
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Extremal CombinatoricsExtremal Combinatorics
 With Applications in Computer Science by Stasys Jukna.
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Generating FunctionsGenerating Functions
 Introduction to generating functions with interactive java applets by Alexander Bogomolny.
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G-SystemsG-Systems
 Theory of chord structures to create music through algorithms by Vladimir Ladma.
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Lectures in CombinatoricsLectures in Combinatorics
 An introduction to partially ordered sets, Dilworth's theorem, lattices and combinatorial geometries.
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The Math Forum Math Library - CombinatoricsThe Math Forum Math Library - Combinatorics
 Comprehensive catalog of websites relating to Combinatorics.
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A New Proof of the Four Colour TheoremA New Proof of the Four Colour Theorem
 By Ashay Dharwadker. Includes profile, research papers for other algorithms, lecture notes, and student database.
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On-line Dictionary of CombinatoricsOn-line Dictionary of Combinatorics
 An expanding web text by Joe Fields.
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Polya's Enumeration TheoremPolya's Enumeration Theorem
 An article on generating functions and Polya's theory of counting by Karl Dahlke.
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Series ExpansionsSeries Expansions
 Iwan Jensen counts polyominoes (aka lattice animals), paths, and various related quantities.
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The Seventeen Wallpaper GroupsThe Seventeen Wallpaper Groups
 Examples in traditional Japanese patterns.
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Squared SquaresSquared Squares
 Tilings of squares and rectangles, the classical problem and variations.
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A Survey of Venn DiagramsA Survey of Venn Diagrams
 Various facts and figures about Venn diagrams by Frank Ruskey.
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Topics in Mathematics - CombinatoricsTopics in Mathematics - Combinatorics
 In the Mathematics Archive at University of Tennessee, Knoxville.
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