On Finite-time Computability Preserving Conversions

  • Authors:
  • Hideki Tsuiki;Shuji Yamada

  • Affiliations:
  • Graduate School of Human and Environmental Studies, Kyoto University, 606-8501 Kyoto, Japan;Faculty of Science, Kyoto Sangyo University, 603-8555 Kyoto, Japan

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2008

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Abstract

A finite-time computable function is a partial function from @S^@w to @S^@w whose value is constructed by applying finite number of list operations 'cons' and 'head' to the argument. A finite-time computability preserving conversion @a:X-Y for X,Y@?@S^@w is a bijection which preserves finite-time computability. We show that all the finite-time computability preserving conversions with the domain @S^@w are extended sliding block functions.