Cobham–Semenov theorem and Nd-subshifts

  • Authors:
  • F. Durand

  • Affiliations:
  • Université de Picardie Jules Verne, Laboratoire Amiénois de Mathématiques Fondamentales et Appliquées, CNRS-UMR 6140, 33 rue Saint Leu, 80039 Amiens Cedex 01, France

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2008

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Abstract

We give a new proof of Cobham's first theorem using ideas from symbolic dynamics and of Cobham-Semenov theorem (in the primitive case) using ideas from tiling dynamics.