Oracle circuits for branching-time model checking

  • Authors:
  • Philippe Schnoebelen

  • Affiliations:
  • Lab. Spécification & Véérification, ENS de Cachan & CNRS, UMR, Cachan Cedex, France

  • Venue:
  • ICALP'03 Proceedings of the 30th international conference on Automata, languages and programming
  • Year:
  • 2003

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Abstract

A special class of oracle circuits with tree-vector form is introduced. It is shown that they can be evaluated in deterministic polynomial-time with a polylog number of adaptive queries to an NP oracle. This framework allows us to evaluate the precise computational complexity of model checking for some branching-time logics where it was known that the problem is NP-hard and coNP-hard.