Theory of Automata & Formal Languages for UPTU ( IV-CSE/IT-2013 course )

Regular Expression (RE)
Context Free Grammar (CFG) and Context Free Languages (CFL)
Push Down Automata (PDA)
Turing Machines (TM)
1st editon, by A.A. Puntambekar

Book Details

Introduction, Alphabets, Strings and languages, Automata and grammars, Deterministic Finite Automata (DFA) - Formal definition, Simplified notation : State transition graph, Transition table, Language of DFA, Non-deterministic Finite Automata (NFA), NFA with epsilon transition, Language of NFA, Equivalence of NFA and DFA, Minimization of finite automata, Distinguishing one string from other, Myhill-Nerode theorem. Regular Expression (RE), Definition, Operators of regular expression and their precedence, Algebraic laws for regular expressions, Kleen’s theorem, Regular expression to FA, DFA to regular expression, Arden theorem, Non-regular languages, Pumping lemma for regular languages. Application of pumping lemma, Closure properties of regular languages, Decision properties of regular languages, FA with output : Moore and Mealy machine, Equivalence of Moore and Mealy machine, Applications and limitation of FA. Context Free Grammar (CFG) and Context Free Languages (CFL) : Definition, Examples, Derivation, Derivation trees, Ambiguity in grammar, Inherent ambiguity, Ambiguous to unambiguous CFG, Useless symbols, Simplification of CFGs, Normal forms for CFGs : CNF and GNF, Closure properties of CFLs, Decision properties of CFLs : Emptiness, Finiteness and membership, Pumping lemma for CFLs. Push Down Automata (PDA) : Description and definition, Instantaneous description, Language of PDA, Acceptance by final state, Acceptance by empty stack, Deterministic PDA, Equivalence of PDA and CFG, CFG to PDA and PDA to CFG, Two stack PDA. Turing Machines (TM) : Basic model, Definition and representation, Instantaneous description, Language acceptance by TM, Variants of turing machine, TM as computer of integer functions, Universal TM, Church’s thesis, Recursive and recursively enumerable languages, Halting problem, Introduction to undecidability, Undecidable problems about TMs. Post Correspondence Problem (PCP), Modified PCP, Introduction to recursive function theory.

Additional Information

Edition 1st editon
Publisher Technical Publications
ISBN 9789350999189
No. of Pages (Printed Book) 448

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Theory of Automata & Formal Languages for UPTU ( IV-CSE/IT-2013 course )