Computing and Combinatorics : Third Annual International Conference COCOON 97 Shanghai China August 20 22 1997 Proceedings This book constitutes the refereed proceedings of the Third Annual International Computing and Combinatorics Conference COCOON97 held in Shanghai China in August 1997. The volume presents 53 revised full papers selected from a total of 106 submissions. The papers are organized in sections on parallel and distributed computing computational geometry complexity computational biology computability cryptography and computational finance graph algorithms algorithms rewriting and logic algorithms and applications automata languages and complexity and mathematical programming and genetic algorithms