This book constitutes the refereed proceedings of the 4th International Colloquium on Theoretical Aspects of Computing, ICTAC 2007 held in Macau, China in September 2007. The aim of the colloquium is to bring together practitioners and researchers from academia, industry and government to present research results and exchange experience, ideas and solutions for their problems in theoretical aspects of computing. | Theoretical Aspects of Computing - ICTAC 2007 by Cliff B. Jones, Paperback | Indigo Chapters