The paper is devoted to an analysis of the concurrent features of asynchronous systems. A preliminary step is represented by the introduction of a non-interleaving extension of barbed equivalence. This notion is then exploited in order to prove that concurrency cannot be observed through asynchronous interactions, i.e., that the interleaving and concurrent versions of a suitable asynchronous weak equivalence actually coincide. The theory is validated on two case studies, related to nominal calculi (π-calculus) and visual specification formalisms (Petri nets).
Concurrency can't be observed, asynchronously
Bonchi F.;GADDUCCI, FABIO;MONREALE, GIACOMA
2010-01-01
Abstract
The paper is devoted to an analysis of the concurrent features of asynchronous systems. A preliminary step is represented by the introduction of a non-interleaving extension of barbed equivalence. This notion is then exploited in order to prove that concurrency cannot be observed through asynchronous interactions, i.e., that the interleaving and concurrent versions of a suitable asynchronous weak equivalence actually coincide. The theory is validated on two case studies, related to nominal calculi (π-calculus) and visual specification formalisms (Petri nets).File in questo prodotto:
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