Almost-everywhere superiority for Quantum polynomial time

  • Authors:
  • Edith Hemaspaandra;Lane A. Hemaspaandra;Marius Zimand

  • Affiliations:
  • Rochester Institute of Technology, Rochester, NY;Univ. of Rochester, Rochester, NY;Tosowon Univ., Towson, MD

  • Venue:
  • Information and Computation
  • Year:
  • 2002

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Abstract

Simon as extended by Brassard and Hyer shows that there are tasks on which polynomial-time quantum machines are exponentially faster than each classical machine infinitely often. The present paper shows that there are tasks on which polynomial-time quantum machines are exponentially faster than each classical machine almost everywhere.