On the semantics of Markov automata

  • Authors:
  • Yuxin Deng;Matthew Hennessy

  • Affiliations:
  • Shanghai Jiao Tong University, China and Carnegie Mellon University, United States and Chinese Academy of Sciences, China;Trinity College Dublin, Ireland

  • Venue:
  • Information and Computation
  • Year:
  • 2013

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Abstract

Markov automata describe systems in terms of events which may be nondeterministic, may occur probabilistically, or may be subject to time delays. We define a novel notion of weak bisimulation for such systems and prove that this provides both a sound and complete proof methodology for a natural extensional behavioural equivalence between such systems, a generalisation of reduction barbed congruence, the well-known touchstone equivalence for a large variety of process description languages.