State succinctness of two-way finite automata with quantum and classical states

  • Authors:
  • Shenggen Zheng;Daowen Qiu;Jozef Gruska;Lvzhou Li;Paulo Mateus

  • Affiliations:
  • Department of Computer Science, Sun Yat-sen University, Guangzhou 510006, China and Faculty of Informatics, Masaryk University, Brno, Czech Republic;Department of Computer Science, Sun Yat-sen University, Guangzhou 510006, China and SQIG-Instituto de Telecomunicaçíes, Departamento de Matemática, Instituto Superior Técnico, ...;Faculty of Informatics, Masaryk University, Brno, Czech Republic;Department of Computer Science, Sun Yat-sen University, Guangzhou 510006, China;SQIG-Instituto de Telecomunicaçíes, Departamento de Matemática, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais 1049-001, Lisbon, Portugal

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2013

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Abstract

Two-way finite automata with quantum and classical states (2QCFA) were introduced by Ambainis and Watrous in 2002. In this paper we study state succinctness of 2QCFA. For any m@?Z^+ and any @e