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Stuttering Mostly Speeds Up Solving Parity Games

  • Sjoerd Cranen
  • Jeroen J. A. Keiren
  • Tim A. C. Willemse
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6617)

Abstract

We study the process theoretic notion of stuttering equivalence in the setting of parity games. We demonstrate that stuttering equivalent vertices have the same winner in the parity game. This means that solving a parity game can be accelerated by minimising the game graph with respect to stuttering equivalence. While, at the outset, it might not be clear that this strategy should pay off, our experiments using typical verification problems illustrate that stuttering equivalence speeds up solving parity games in many cases.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Sjoerd Cranen
    • 1
  • Jeroen J. A. Keiren
    • 1
  • Tim A. C. Willemse
    • 1
  1. 1.Department of Mathematics and Computer ScienceTechnische Universiteit EindhovenEindhovenThe Netherlands

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