Iterated sequential transducers as language generating devices

  • Authors:
  • Henning Bordihn;Henning Fernau;Markus Holzer;Vincenzo Manca;Carlos Martín-Vide

  • Affiliations:
  • Institut für Informatik, Universität Potsdam, August-Bebel-Straße, Potsdam, Germany;Universität Trier, Abteilung Informatik, Trier, Germany;Institut für Informatik, Technische Universität München, Garching bei München, Germany;Università degli Studi di Pisa, Dipartimento di Informatica, Corso Italia, Pisa, Italy;Research Group on Mathematical Linguistics, Rovira i Virgili University, Pl. Imperial Tarraco, Tarragona, Spain

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2006

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Abstract

Iterated finite state sequential transducers are considered as language generating devices. The hierarchy induced by the size of the state alphabet is proved to collapse to the fourth level. The corresponding language families are related to the families of languages generated by Lindenmayer systems and Chomsky grammars. Finally, some results on deterministic and extended iterated finite state transducers are established.