id: 02197511 dt: a an: 02197511 au: Berger, Martin ti: Basic theory of reduction congruence for two timed asynchronous $π$-calculi. so: Gardner, Philippa (ed.) et al., CONCUR 2004 ‒ concurrency theory. 15th international conference, London, UK, August 31 ‒ September 3, 2004. Proceedings. Berlin: Springer (ISBN 3-540-22940-X/pbk). Lecture Notes in Computer Science 3170, 115-130 (2004). py: 2004 pu: Berlin: Springer la: EN cc: ut: ci: li: doi:10.1007/b100113 ab: Summary: We study reduction congruence, the most widely used notion of equality for the asynchronous $π$-calculus with timers, and derive several alternative characterisations, one of them being a labelled asynchronous bisimilarity. These results are adapted to an asynchronous $π$-calculus with timers, locations and message failure. In addition we investigate the problem of how to distribute value-passing processes in a semantics-preserving way. rv: