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Publication details
Reachability of Hennessy - Milner properties for weakly extended PRS
Authors | |
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Year of publication | 2005 |
Type | Article in Proceedings |
Conference | FSTTCS 2005: 25th International Conference on Foundations of Software Technology and Theoretical Computer Science, 25th International Conference |
MU Faculty or unit | |
Citation | |
Field | Informatics |
Keywords | process rewrite systems; state extension; infinite-state; (un)decidability; HM logic; reachability |
Description | We examine the problem whether a given weakly extended process rewrite system (wPRS) contains a reachable state satisfying a given formula of Hennessy-Milner logic. We show that this problem is decidable. As a corollary we observe that the problem of strong bisimilarity between wPRS and finite-state systems is decidable. Decidability of the same problem for wPRS subclasses, namely PAN and PRS, has been formulated as an open question, see e.g. [Srb02]. We also strengthen some related undecidability results on some PRS subclasses. |
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