Towards nominal context-free model-checking

  • Authors:
  • Pierpaolo Degano;Gian-Luigi Ferrari;Gianluca Mezzetti

  • Affiliations:
  • Dipartimento di Informatica, Universitá di Pisa, Italy;Dipartimento di Informatica, Universitá di Pisa, Italy;Dipartimento di Informatica, Universitá di Pisa, Italy

  • Venue:
  • CIAA'13 Proceedings of the 18th international conference on Implementation and Application of Automata
  • Year:
  • 2013

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Abstract

Two kinds of automata are introduced, for recognising regular and context-free nominal languages. We compare their expressive power with that of analogous proposals in the literature. Some properties of our languages are proved, in particular that emptiness of a context-free nominal language L is decidable, and that the intersection of L with a regular nominal language is still context-free. This paves the way for model-checking systems against access control properties in the nominal case, which is our main objective.