Refining Undecidability Border of Weak Bisimilarity. (full version of INFINITY 2005 paper)

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Authors

KŘETÍNSKÝ Mojmír ŘEHÁK Vojtěch STREJČEK Jan

Year of publication 2005
Type R&D Presentation
MU Faculty or unit

Faculty of Informatics

Citation
Description Weak bisimilarity is one of the most studied behavioural equivalences. This equivalence is undecidable for pushdown processes (PDA), process algebras (PA), and multiset automata (MSA, also known as parallel pushdown processes, PPDA). Its decidability is an open question basic process algebras} (BPA) and basic parallel processes (BPP). We move the undecidability border towards these classes by showing that the equivalence remains undecidable for weakly extended versions of BPA and BPP.
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