Rational transformations and a kleene theorem for power series over rational monoids

  • Authors:
  • Ina Fichtner;Christian Mathissen

  • Affiliations:
  • Institut für Informatik, Universität Leipzig, Germany;Institut für Informatik, Universität Leipzig, Germany

  • Venue:
  • Algebraic Foundations in Computer Science
  • Year:
  • 2011

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Abstract

In this paper we consider transformations on formal power series and extend well-known results in terms of homomorphisms to rational functions. Using these results we prove a Kleene-Schützenberger Theorem for formal power series over rational monoids. It extends a result of Sakarovitch.