Topological Automata

  • Authors:
  • Emmanuel Jeandel

  • Affiliations:
  • LIP, Ecole Normale Superieure de Lyon, 46 allee d'Italie, F-69364 Lyon Cedex 07, France

  • Venue:
  • Theory of Computing Systems
  • Year:
  • 2007

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Abstract

We give a new, topological definition of automata that extends previous definitions of probabilistic and quantum automata. We then are able to prove in a unified framework that deterministic or non-deterministic probabilistic and quantum automata recognise only regular languages with an isolated threshold.