Exact MAX-2SAT solution via lift-and-project closure

  • Authors:
  • P. Bonami;M. Minoux

  • Affiliations:
  • Carnegie Mellon University, Pittsburgh, USA;Université Paris 6, 4 Place Jussieu, 75005, Paris, France

  • Venue:
  • Operations Research Letters
  • Year:
  • 2006

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Abstract

We present a new approach for exact solution of MAX-2SAT problems based on a strong reformulation deduced from an optimal continuous solution over the elementary closure of lift-and-project cuts. Computational results show that this formulation leads to a reduced number of nodes in the branch-and-bound tree and short computing times.