A universal reversible turing machine

  • Authors:
  • Kenichi Morita;Yoshikazu Yamaguchi

  • Affiliations:
  • Hiroshima University, Graduate School of Engineering, Higashi, Hiroshima, Japan;Hiroshima University, Graduate School of Engineering, Higashi, Hiroshima, Japan

  • Venue:
  • MCU'07 Proceedings of the 5th international conference on Machines, computations, and universality
  • Year:
  • 2007

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Abstract

A reversible Turing machines is a computing model with a "backward deterministic" property, which is closely related to physical reversibility. In this paper, we study the problem of finding a small universal reversible Turing machine (URTM). As a result, we obtained a 17-state 5-symbol URTM in the quintuple form that can simulate any cyclic tag system.