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Followings are the syllabus and reference books for Formal Language and Automata Theory

Finite State Machines : Definition, concept of sequential circuits, state table & state assignments, concept of synchronous, asynchronous and liner sequential machines.
Finite State Models : Basic definition, mathematical representation, Moore versus Mealy m/c, capability & limitations of FSM, state equivalence & minimization, machine equivalence, incompletely specified machines, merger graph & compatibility graph, merger table, Finite memory, definite, information loss less & inverse machines : testing table & testing graph.
Structure of Sequential Machines : Concept of partitions, closed partitions, lattice of closed partitions, decomposition : serial & parallel.
Finite Automation : Preliminaries (strings, alphabets & languages, graphs & trees, set & relations), definition, recognition of a language by an automata - idea of grammar, DFA, NFA, equivalence of DFA and NFA, NFA with emoves, regular sets & regular expressions : equivalence with finite automata, NFA from regular expressions, regular expressions from DFA, two way finite automata equivalence with one way, equivalence of Moore & Mealy machines, applications of finite automata.
Closure Properties of Regular Sets : Pumping lemma & its application, closure properties minimization of finite automata : minimization by distinguishable pair, Myhill-Nerode theorem.
Context Free Grammars : Introduction, definition, derivation trees, simplification, CNF & GNF.
Pushdown Automata : Definition, moves, Instantaneous Descriptions, language recognised by PDA, deterministic PDA, acceptance by final state & empty stack, equivalence of PDA and CFL.
Closure Properties of CFLs : Pumping lemma & its applications, ogden’s lemma, closure properties, decision algorithms.
Introduction to Z. Regular language properties and their grammars. Context sensitive languages.

Books and Links:
Text books :
1. Hopcroft JE. and Ullman JD., “Introduction to Automata Theory, Languages & Computation”, Narosa.
2. K.L.P Mishra &N. Chandrasekharan – “Theory of Computer Science”, PHI
3. Ash &Ash – “Discrete Mathematics”,TMH
4. Martin—Introduction
5. Lewis H. R. and Papadimitrou C. H., “Elements of the theory of Computation”, P.H.I.
6. Kain, “Theory of Automata &Formal Language”, McGraw Hill.
References :
1. Kohavi ZVI, “Switching &Finite Automata”, 2nd Edn., Tata McGraw Hill.
2. Linz Peter, “An Introduction to Formal Languages and Automata”, Narosa
3. “Introduction to Formal Languages”, Tata McGraw Hill, 1983.