The decimation process in random k-SAT

  • Authors:
  • Amin Coja-Oghlan;Angelica Y. Pachon-Pinzon

  • Affiliations:
  • University of Warwick, Mathematics and Computer Science, Coventry, UK;University of Warwick, Mathematics and Computer Science, Coventry, UK

  • Venue:
  • ICALP'11 Proceedings of the 38th international colloquim conference on Automata, languages and programming - Volume Part I
  • Year:
  • 2011

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Abstract

Non-rigorous statistical mechanics ideas have inspired a message passing algorithm called Belief propagation guided decimation for finding satisfying assignments of random k-SAT instances. This algorithm can be viewed as an attempt at implementing a certain thought experiment that we call the decimation process. In this paper we identify a variety of phase transitions in the decimation process and link these phase transitions to the performance of the algorithm.