On a hierarchy of languages with catenation and shuffle

  • Authors:
  • Nils Erik Flick;Manfred Kudlek

  • Affiliations:
  • Fachbereich Informatik, MIN-Fakultät, Universität Hamburg, Germany;Fachbereich Informatik, MIN-Fakultät, Universität Hamburg, Germany

  • Venue:
  • DLT'12 Proceedings of the 16th international conference on Developments in Language Theory
  • Year:
  • 2012

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Abstract

We present basic structures, normal forms, and a hierarchy of languages based on catenation, shuffle and their iterations, defined by algebraic closure or least fix point solution of equation systems.