This introductory text covers the key areas of computer science, including recursive function theory, formal languages, and automata. Additions to the second ed
Computability and complexity theory should be of central concern to practitioners as well as theorists. Unfortunately, however, the field is known for its impen
This revised and extensively expanded edition of Computability and Complexity Theory comprises essential materials that are core knowledge in the theory of comp
The theme of this book is formed by a pair of concepts: the concept of formal language as carrier of the precise expression of meaning, facts and problems, and
For upper level courses on Automata. Combining classic theory with unique applications, this crisp narrative is supported by abundant examples and clarifies key