Synchronized Product of Linear Bounded Machines

  • Authors:
  • Teodor Knapik;Étienne Payet

  • Affiliations:
  • -;-

  • Venue:
  • FCT '99 Proceedings of the 12th International Symposium on Fundamentals of Computation Theory
  • Year:
  • 1999

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Abstract

This paper introduces a class of graphs associated to linear bounded machines. It is shown that this class is closed, up to observational equivalence, under synchronized product. The first-order theory of these graphs is investegated and shown to be undecidable. The latter result extends to any logic in which the existence of sinks may be stated.