On the Reduction of Chocs bisimulation to pi-calculus bisimulation
Identifieur interne : 00D820 ( Main/Merge ); précédent : 00D819; suivant : 00D821On the Reduction of Chocs bisimulation to pi-calculus bisimulation
Auteurs : R. AmadioSource :
Abstract
Chocs and \pi-calculus are two extensions of CCS where, respectively, processes and channels are transmissible values. In previous work we have proposed a formalization of the notion of bisimulation for Chocs. In this paper we suggest a more effective way to reason about this notion by means of an embedding of Chocs into a richer calculus endowed with a notion of `activation' channel which we christen Chocs_{t}. t is the name of a new internal action which is produced by a synchronization on an activation channel, such a synchronization has the effect of forcing the execution of an idle process. In first approximation transitions in Chocs_{t} may be understood as sequences of synchronizations along activation channels followed by an `observablé transition. There is a simple definition of bisimulation for Chocs_{t} which satisfies natural laws and congruence rules, moreover the synchronizationtrees associated to Chocs_{t} processes are finitely branching. We propose Chocs_{t} as an intermediate step towards the definition of a tool for the verification of Chocs bisimulation.
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