Quantum communication and complexity

  • Authors:
  • Ronald de Wolf

  • Affiliations:
  • University of California, 583 Soda Hall, Berkeley, CA

  • Venue:
  • Theoretical Computer Science - Natural computing
  • Year:
  • 2002

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Abstract

In the setting of communication complexity, two distributed parties want to compute a function depending on both their inputs, using as little communication as possible. The required communication can sometimes be significantly lowered if we allow the parties the use of quantum communication. We survey the main results of the young area of quantum communication complexity; its relation to teleportation and dense coding, the main examples of fast quantum communication protocols, lower bounds, and some applications.