Chaos and Fractals

G-Systems G-Systems- Theory of chord structures to create music through algorithms by Vladimir Ladma. A=B A=B- Downloadable combinatorics text by Marko Petkovsek, Herbert Wilf and Doron Zeilberger. Published by A. K. Peters. Enumeration of Polyhedra Enumeration of Polyhedra- Enumeration of polyhedra with up to 9 faces by Steven Dutch. Squared Squares Squared Squares- Tilings of squares and rectangles, the classical problem and variations. Polya's Enumeration Theorem Polya's Enumeration Theorem- An article on generating functions and Polya's theory of counting by Karl Dahlke. Combinatorics Combinatorics- MathWorld article with basic definitions and links. The Cutting Sticks Problem The Cutting Sticks Problem- An unsolved combinatorial problem by Frans Faase. Series Expansions Series Expansions- Iwan Jensen counts polyominoes (aka lattice animals), paths, and various related quantities. Generating Functions Generating Functions- Introduction to generating functions with interactive java applets by Alexander Bogomolny. The Math Forum Math Library - Combinatorics The Math Forum Math Library - Combinatorics- Comprehensive catalog of websites relating to Combinatorics. Combinatorial Data Combinatorial Data- Brendan McKay's collection of miscellaneous tables in graph6 or sparse6 format. Algebraic Combinatorics via Finite Group Actions Algebraic Combinatorics via Finite Group Actions- A hypertext by A. Betten, H. Fripertinger and A. Kerber. Encyclopedia of Combinatorial Structures Encyclopedia of Combinatorial Structures- Searchable database of structures with specifications and counts. Extremal Combinatorics Extremal Combinatorics- With Applications in Computer Science by Stasys Jukna. Topics in Mathematics - Combinatorics Topics in Mathematics - Combinatorics- In the Mathematics Archive at University of Tennessee, Knoxville. Enumeration of the Binary Trees Enumeration of the Binary Trees- A note on Catalan numbers by Ivan Galkin. ArXiv Front: CO Combinatorics ArXiv Front: CO Combinatorics- Combinatorics section of the Front for the Mathematics ArXiv. The Combinatorics Net The Combinatorics Net- Maintained by Bill Chen.