We show Σ11-completeness of weak bisimilarity for PA (process algebra), and of weak simulation preorder/equivalence for PDA (pushdown automata), PA and PN (Petri nets). We also show Π11-hardness of weak ω-trace equivalence for the (sub)classes BPA (basic process algebra) and BPP (basic parallel processes). © 2004 Springer Science + Business Media, Inc.
CITATION STYLE
Jančar, P., & Srba, J. (2004). Highly undecidable questions for process algebras. In IFIP Advances in Information and Communication Technology (Vol. 155, pp. 507–520). Springer New York LLC. https://doi.org/10.1007/1-4020-8141-3_39
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