The quantum query complexity of the determinant

  • Authors:
  • Sebastian Dörn;Thomas Thierauf

  • Affiliations:
  • Inst. für Theoretische Informatik, Universität Ulm, 89069 Ulm, Germany;Fak. Elektronik und Informatik, HTW Aalen, 73430 Aalen, Germany

  • Venue:
  • Information Processing Letters
  • Year:
  • 2009

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Abstract

In this paper we give tight quantum query complexity bounds of some important linear algebra problems. We prove @Q(n^2) quantum query bounds for verify the determinant, rank, matrix inverse and the matrix power problem.