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Evolving blackbox quantum algorithms using genetic programming

Published online by Cambridge University Press:  12 June 2008

Ralf Stadelhofer
Affiliation:
Department of Computer Science, University of Dortmund, Dortmund, Germany
Wolfgang Banzhaf
Affiliation:
Department of Computer Science, Memorial University of Newfoundland, St. John's, Canada
Dieter Suter
Affiliation:
Department of Physics, University of Dortmund, Dortmund, Germany

Abstract

Although it is known that quantum computers can solve certain computational problems exponentially faster than classical computers, only a small number of quantum algorithms have been developed so far. Designing such algorithms is complicated by the rather nonintuitive character of quantum physics. In this paper we present a genetic programming system that uses some new techniques to develop and improve quantum algorithms. We have used this system to develop two formerly unknown quantum algorithms. We also address a potential deficiency of the quantum decision tree model used to prove lower bounds on the query complexity of the parity problem.

Type
Research Article
Copyright
Copyright © Cambridge University Press 2008

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