The power of randomness for communication complexity

  • Authors:
  • M. Furer

  • Affiliations:
  • Institut für Angewandte Mathematik, Universität Zürich, CH-80011 Zürich/Switzerland

  • Venue:
  • STOC '87 Proceedings of the nineteenth annual ACM symposium on Theory of computing
  • Year:
  • 1987

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Abstract

Improving a result of Mehlhorn and Schmidt, a function f with deterministic communication complexity n2 is shown to have Las Vegas communication complexity &Ogr;(n). This is the best possible, because the deterministic complexity cannot be more than the square of the Las Vegas communication complexity for any function.