Finite Automata with Generalized Acceptance Criteria

  • Authors:
  • Timo Peichl;Heribert Vollmer

  • Affiliations:
  • -;-

  • Venue:
  • ICAL '99 Proceedings of the 26th International Colloquium on Automata, Languages and Programming
  • Year:
  • 1999

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Abstract

We examine the power of nondeterministic finite automata with acceptance of an input word defined by a so called leaf language, i. e., a condition on the sequence of leaves in the automaton's computation tree. We study leaf languages either taken from one of the classes of the Chomsky hierarchy, or taken from a time- or space-bounded complexity class. We contrast the obtained results with those known for leaf languages for Turing machines and Boolean circuits.