Open Ended Systems, Dynamic Bisimulation and Tile Logic

  • Authors:
  • Roberto Bruni;Ugo Montanari;Vladimiro Sassone

  • Affiliations:
  • -;-;-

  • Venue:
  • TCS '00 Proceedings of the International Conference IFIP on Theoretical Computer Science, Exploring New Frontiers of Theoretical Informatics
  • Year:
  • 2000

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Abstract

The SOS formats ensuring that bisimilarity is a congruence often fail in the presence of structural axioms on the algebra of states. Dynamic bisimulation, introduced to characterize the coarsest congruence for CCS which is also a (weak) bisimulation, reconciles the bisimilarity as congruence property with such axioms and with the specification of open ended systems, where states can be reconfigured at run-time, at the cost of an infinitary operation at the meta-level. We show that the compositional framework offered by tile logic is suitable to deal with structural axioms and open ended systems specifications, allowing for a finitary presentation of context closure.