Average-case analysis for the MAX-2SAT problem

  • Authors:
  • Osamu Watanabe;Masaki Yamamoto

  • Affiliations:
  • Dept. of Math. and Comput. Sci., Tokyo Inst. of Technology, Japan;Dept. of Math. and Comput. Sci., Tokyo Inst. of Technology, Japan

  • Venue:
  • SAT'06 Proceedings of the 9th international conference on Theory and Applications of Satisfiability Testing
  • Year:
  • 2006

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Abstract

We propose a “planted solution model” for discussing the average-case complexity of the MAX-2SAT problem. We show that for a large range of parameters, the planted solution (more precisely, one of the planted solution pair) is the optimal solution for the generated instance with high probability. We then give a simple linear time algorithm based on a message passing method, and we prove that it solves the MAX-2SAT problem with high probability under our planted solution model.