Codes and sofic constraints

  • Authors:
  • Marie-Pierre Béal;Dominique Perrin

  • Affiliations:
  • Institut Gaspard-Monge, Université de Marne-la-Vallée, Marne-la-Vallée Cedex, France;Institut Gaspard-Monge, Université de Marne-la-Vallée, Marne-la-Vallée Cedex, France

  • Venue:
  • Theoretical Computer Science - The art of theory
  • Year:
  • 2005

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Abstract

We study the notion of a code in a sofic subshift. We first give a generalization of the Kraft-McMillan inequality to this case. We then prove that the polynomial of the alphabet in an irreducible sofic shift divides the polynomial of any finite code which is complete for this sofic shift. This settles a conjecture from Reutenauer.