Combinatorics

Tilings of squares and rectangles, the classical problem and variations.

Enumeration of polyhedra with up to 9 faces by Steven Dutch.

Elwyn's research in the field, including several papers.

A comprehensive bibliography on combinatorial games; several papers about combinatorial games; and information about where to publish such results.

Description and theory, with references to additional reading.

Held annually. Programme, travel, contact info.

An archival peer-reviewed technical journal publishing survey and original papers. Tables of contents and abstracts. Full text to subscribers.

Probabilistic combinatorics, theoretical computer science and operations research.

Combinatorics on words, algebraic automata theory.

Using combinatorics to solve structured linear systems of equations.

A general-purpose, extendible computing environment in which discrete mathematical objects representing real world problems can be easily manipulated and visualized.

Provides a fast graphisomorphism algorithm written in object-oriented Java using the popular yfiles graph library. The ITGI algorithm can be freely downloaded.

A package for classifying, partitioning and studying block designs in GAP 4.3 by Leonard H. Soicher. Free download in .tar.gz format, documentation in PDF.

Santiago, Chile; 16--20 August 2004.

By Reinhard Diestel. Sites offers author and book information as well as a downloadable PDF version of the book.

Gordon Royle's tables of small graphs with Maple software.

GDToolkit (also known as GDT) is a Graph Drawing Toolkit designed to efficiently manipulate several types of graph, and to automatically draw them according to many different aesthetic criteria and constraints.

Simplifies complicated diagrams. The package rearranges complex graph data sets into clear on-screen drawings. Core information represented by nodes and links is much easier to understand.

Software, benchmarks, events, people, bibliography, quadratic optimization.

Large scale optimization software. Solves linear, quadratic, general convex and mixed integer optimization problems. Details of products, trial downloads, licensing information, and documentation.

By Stephen G. Nash, 1998

Open source software for experimenting with matroids by Robert and Sandra Kingan.