The Wotch Directory
Science > Math > Combinatorics

	A Survey of Venn Diagrams Various facts and figures about Venn diagrams by Frank Ruskey. http://www.combinatorics.org/Surveys/ds5/VennEJC.html
	Algebraic Combinatorics via Finite Group Actions A hypertext by A. Betten, H. Fripertinger and A. Kerber. http://www.mathe2.uni-bayreuth.de/frib/html/book/hyl00.html
	ArXiv Front: CO Combinatorics Combinatorics section of the Front for the Mathematics ArXiv. http://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. http://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. http://www.jea.acm.org/CATS/
	Combinatorial Catalogues Combinatorial objects such as graphs, designs and geometries collected by Gordon Royle. http://www.csse.uwa.edu.au/~gordon/data.html
	Combinatorial Data Brendan McKay's collection of miscellaneous tables in graph6 or sparse6 format. http://cs.anu.edu.au/~bdm/data/
	Combinatorics MathWorld article with basic definitions and links. http://mathworld.wolfram.com/Combinatorics.html
	Combinatorics Subfields in the AMS MSC 2000 classification 05. http://www.ams.org/msc/05-xx.html