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Learn Automata Theory

Automata Theory – Quick Guide

Automata Theory – Quick Guide, The term Automata is derived from the Greek word αὐτόματα which means self-acting. An automaton (Automata in plural) is an abstr…Read More

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Discuss Automata Theory

Discuss Automata Theory, Automata Theory is a branch of computer science that deals with designing abstract selfpropelled computing devices that follow a predetermined sequence of opera…Read More

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Rice Theorem

Rice Theorem, Rice theorem states that any non-trivial semantic property of a language which is recognized by a Turing machine is undecidable. A property, P, is the language …Read More

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Post Correspondence Problem

Post Correspondence Problem, The Post Correspondence Problem (PCP), introduced by Emil Post in 1946, is an undecidable decision problem. The PCP problem over an alphabet ∑ is stated as fo…Read More

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Language Decidability

Language Decidability, A language is called Decidable or Recursive if there is a Turing machine which accepts and halts on every input string w. Every decidable language is Turing-Acc…Read More

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Undecidable Languages

Undecidable Languages, For an undecidable language, there is no Turing Machine which accepts the language and makes a decision for every input string w (TM can make decision for some …Read More

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Non-Deterministic Turing Machine

Non-Deterministic Turing Machine, In a Non-Deterministic Turing Machine, for every state and symbol, there are a group of actions the TM can have. So, here the transitions are not deterministic.…Read More