A CSP-Based Approach for Solving Parity Game

  • Authors:
  • Min Jiang;Changle Zhou;Guoqing Wu;Fan Zhang

  • Affiliations:
  • Department of Cognitive Science, Xiamen University, Fujian, China;Department of Cognitive Science, Xiamen University, Fujian, China;Computer School of Wuhan University, Hubei, China;Computer School of Wuhan University, Hubei, China

  • Venue:
  • FAW '08 Proceedings of the 2nd annual international workshop on Frontiers in Algorithmics
  • Year:
  • 2008

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Abstract

No matter from the theoretical or practical perspective, solving parity game plays a very important role. On one side, this problem possesses some amazing properties of computational complexity, and people are still searching for a polynomial time algorithm. On the other side, solving it and modal mu-calculus are almost the same in nature, so any efficient algorithm concerning this topic can be applied to model checking problem of modal mu-calculus. Considering the importance of modal mu-calculus in the automatic verification field, a series of model checkers will benefit from it. The main purpose of our study is to use constraints satisfaction problem (CSP), a deeply-studied and widely-accepted method, to settle parity game. The significance lies in that we can design efficient model checker through introducing various CSP algorithms, hence open a door to explore this problem of practical importance from a different viewpoint. In the paper, we propose a CSP-based algorithm and the related experimental results are presented.