An improved lower bound on query complexity for quantum PAC learning

  • Authors:
  • Chi Zhang

  • Affiliations:
  • Department of Computer Science, Columbia University, New York, NY 10027, USA

  • Venue:
  • Information Processing Letters
  • Year:
  • 2010

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Abstract

In this paper, we study the quantum PAC learning model, offering an improved lower bound on the query complexity. For a concept class with VC dimension d, the lower bound is @W(1@e(d^1^-^e+log(1@d))) for @e accuracy and 1-@d confidence, where e can be an arbitrarily small positive number. The lower bound is very close to the best lower bound known on query complexity for the classical PAC learning model, which is @W(1@e(d+log(1@d))).