On quantum versions of record-breaking algorithms for SAT

  • Authors:
  • Evgeny Dantsin;Vladik Kreinovich;Alexander Wolpert

  • Affiliations:
  • Roosevelt University, Chicago, IL;University of Texas at El Paso, El Paso, TX;Roosevelt University, Chicago, IL

  • Venue:
  • ACM SIGACT News
  • Year:
  • 2005

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Abstract

It is well known that a straightforward application of Grover's quantum search algorithm enables to solve SAT in O(2n/2) steps. Ambainis (SIGACT News, 2004) observed that it is possible to use Grover's technique to similarly speed up a sophisticated algorithm for solving 3-SAT. In this note, we show that a similar speed up can be obtained for all major record-breaking algorithms for satisfiability. We also show that if we use Grover's technique only, then we cannot do better than quadratic speed up.