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dc.contributor.authorJančar, Petr
dc.contributor.authorKučera, Antonín
dc.contributor.authorMayr, Richard
dc.date.accessioned2006-11-08T09:17:12Z
dc.date.available2006-11-08T09:17:12Z
dc.date.issued2001
dc.identifier.citationTheoretical computer science. 2001, vol. 258, issues 1-2, p. 409-433.en
dc.identifier.issn0304-3975
dc.identifier.urihttp://hdl.handle.net/10084/57925
dc.language.isoenen
dc.publisherElsevieren
dc.relation.ispartofseriesTheoretical computer scienceen
dc.relation.urihttp://dx.doi.org/10.1016/S0304-3975(00)00027-Xen
dc.subjectconcurrencyen
dc.subjectbisimulationen
dc.subjectcharacteristic formulaeen
dc.subjectinfinite-state systemsen
dc.titleDeciding bisimulation-like equivalences with finite-state processesen
dc.typearticleen
dc.identifier.locationNení ve fondu ÚKen
dc.description.abstract-enWe show that characteristic formulae for finite-state systems up to bisimulation-like equivalences (e.g., strong and weak bismilarity) can be given in the simple branching-time temporal logic EF. Since EF is a very weak fragment of the modal mu -calculus, model checking with EF is decidable for many more classes of infinite state systems. This yields a general method for proving decidability of bisimulation-like equivalences between infinite-state processes and finite-state ones. We apply this method to the class of PAD processes, which strictly subsumes PA and pushdown (PDA) processes, showing that a large class of bisimulation-like equivalences (including, e.g., strong and weak bisimilarity) is decidable between PAD and finite-state processes. Oa the other hand, we also demonstrate that no 'reasonable' bisimulation-like equivalence is decidable between state-extended PA processes and finite-state ones. Furthermore, weak bisimilarity with finite-state processes is shown to be undecidable even for state-extended BPP (which are also known as 'parallel pushdown processes').en
dc.identifier.doi10.1016/S0304-3975(00)00027-X
dc.identifier.wos000168502800010


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