Deciding probabilistic bisimilarity over infinite-state probabilistic systems
Authors | |
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Year of publication | 2008 |
Type | Article in Periodical |
Magazine / Source | Acta informatica |
MU Faculty or unit | |
Citation | |
Field | Informatics |
Keywords | probabilistic bisimilarity; infinite-state systems |
Description | We prove that probabilistic bisimilarity is decidable over probabilistic extensions of BPA and BPP processes. For normed subclasses of probabilistic BPA and BPP processes we obtain polynomial-time algorithms. Further, we show that probabilistic bisimilarity between probabilistic pushdown automata and finite-state systems is decidable in exponential time. If the number of control states in PDA is bounded by a fixed constant, then the algorithm needs only polynomial time. |
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