DOIAbstract
Although different kinds of probabilistic pi-calculus have been introduced and found their place in quantitative verification and evaluation, their behavioural equivalences still lack a deep investigation. We propose a simple probabilistic extension of the pi-calculus, pi (p) , which is inspired by Herescu and Palamidessi's probabilistic asynchronous pi-calculus. An early semantics of our pi (p) is presented. We generalise several classic behavioural equivalences to probabilistic versions, obtaining the probabilistic (strong) barbed equivalence and probabilistic bisimulation for pi (p) . Then we prove that the coincidence between the barbed equivalence and bisimilarity in the pi-calculus is preserved in the probabilistic setting.http:/...
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