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Local Transition Functions of Quantum Turing Machines

Published online by Cambridge University Press:  15 April 2002

Masanao Ozawa  and
Harumichi Nishimura
Masanao Ozawa
Affiliation:
Graduate School of Human Informatics, School of Informatics and Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan; (mozawa@math.human.nagoya-u.ac.jp) CREST, Japan Science and Technology.
Harumichi Nishimura
Affiliation:
CREST, Japan Science and Technology. Graduate School of Human Informatics, School of Informatics and Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan; (anishi@info.human.nagoya-u.ac.jp)
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Abstract

Foundations of the notion of quantum Turing machines areinvestigated. According to Deutsch's formulation, the time evolution of a quantum Turing machine is to be determined by the localtransition function. In this paper, the local transition functions are characterized for fully general quantum Turing machines, including multi-tape quantum Turing machines, extending the results due to Bernstein and Vazirani.

Keywords

Quantum Turing machinestransition functionsmulti-tape quantum Turing machines.
Type
Research Article
Information
RAIRO - Theoretical Informatics and Applications , Volume 34 , Issue 5 , September 2000 , pp. 379 - 402
Copyright
© EDP Sciences, 2000

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