Deterministic automaton

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In computer science, a deterministic automaton is a concept of automata theory in which the outcome of a transition from one state to another is determined by the input.[1]

A common deterministic automaton is a deterministic finite automaton (DFA) which is a finite state machine where for each pair of state and input symbol there is one and only one transition to a next state. DFAs recognize the set of regular languages and no other languages.[2]

A standard way to build a deterministic finite automaton from a nondeterministic finite automaton is the powerset construction.[3]


  1. ^ Anderson (2006) p.41
  2. ^ Anderson (2006) p.52
  3. ^ Anderson (2006) p.44
  • Anderson, James A. (2006). Automata theory with modern applications. With contributions by Tom Head. Cambridge: Cambridge University Press. ISBN 0-521-61324-8. Zbl 1127.68049.