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Contextual array grammars and array P systems

  • Henning Fernau
  • Rudolf Freund
  • Markus L. Schmid
  • K. G. Subramanian
  • Petra Wiederhold
Article

Abstract

Contextual array grammars, with selectors not having empty cells, are considered. A P system model, called contextual array P system, that makes use of array objects and contextual array rules, is introduced and its generative power for the description of picture arrays is examined. A main result of the paper is that there is a proper infinite hierarchy with respect to the classes of languages described by contextual array P systems. Such a hierarchy holds as well in the case when the selector is also endowed with the #−sensing ability.

Keywords

Two-dimensional arrays Array grammars Contextual array rules ArrayP systems 

Mathematics Subject Classifications

68Q45 68Q05 68Q42 

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Henning Fernau
    • 1
  • Rudolf Freund
    • 2
  • Markus L. Schmid
    • 1
  • K. G. Subramanian
    • 3
  • Petra Wiederhold
    • 4
  1. 1.FB 4 – Abteilung InformatikwissenschaftenUniversität TrierTrierGermany
  2. 2.Technische Universität Wien, Institut für ComputersprachenWienAustria
  3. 3.School of Computer SciencesUniversiti Sains MalaysiaPenangMalaysia
  4. 4.Depto. de Control AutomáticoCentro de Investigación y de Estudios Avanzados (CINVESTAV-IPN)MexicoMexico

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