TY - GEN AU - Hopcroft, John E. AU - Ullman, Jeffrey D. TI - Introduction to automata theory, languages, and computation SN - 8185015961 U1 - 629.831 PY - 1987/// CY - New Delhi PB - Narosa Publication KW - Machine theory KW - Formal languages KW - Computational complexity N1 - Finite automata and regular expressions -- ; Properties of regular sets -- ; Context-free grammars -- ; Pushdown automata -- ; Properties of context-free languages -- ; Turing machines -- ; Undecidability -- ; The Chomsky hierarchy -- ; Deterministic context-free languages -- ; Closure properties of families of languages -- ; Computational complexity theory -- ; Intractable problems -- ; Highlights of other important language classes N2 - This book presents automata theory, formal languages, and computational complexity as a coherent theory. It includes end-of-chapter questions, bibliographies, and exercises. Problems of highest and intermediate difficulty are marked respectively with double or single stars. ER -