A characterization of average case communication complexity

  • Authors:
  • Martin Dietzfelbinger;Henning Wunderlich

  • Affiliations:
  • Technische Universität Ilmenau, Institut für Theoretische Informatik, Fachgebiet Komplexitätstheorie und Effiziente Algorithmen, Helmholtzplatz 1, D-98684 Ilmenau, Germany;Technische Universität Ilmenau, Institut für Theoretische Informatik, Fachgebiet Komplexitätstheorie und Effiziente Algorithmen, Helmholtzplatz 1, D-98684 Ilmenau, Germany

  • Venue:
  • Information Processing Letters
  • Year:
  • 2007

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Abstract

It is well known that the average case deterministic communication complexity is bounded below by an entropic quantity, which one would now call deterministic information complexity. In this paper we show a corresponding upper bound. We also improve known lower bounds for the public coin Las Vegas communication complexity by a constant factor.