On the ω-language expressive power of extended petri nets

  • Authors:
  • A. Finkel;G. Geeraerts;J.-F. Raskin;L. Van Begin

  • Affiliations:
  • L.S.V., École Normale Supérieure de Cachan, CACHAN Cedex, France;D.I., Université Libre de Bruxelles - bld. du Triomphe, Bruxelles, Belgium;D.I., Université Libre de Bruxelles - bld. du Triomphe, Bruxelles, Belgium;D.I., Université Libre de Bruxelles - bld. du Triomphe, Bruxelles, Belgium

  • Venue:
  • Theoretical Computer Science - Expressiveness in concurrency
  • Year:
  • 2006

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Abstract

In this paper, we study the expressive power of several monotonic extensions of Petri nets. We compare the expressive power of Petri nets, Petri nets extended with non-blocking arcs and Petri nets extended with transfer arcs, in terms of ω-languages. We show that the hierarchy of expressive powers of those models is strict. To prove these results, we propose original techniques that rely on well-quasi orderings and monotonicity properties.