Deciding Probabilistic Bisimilarity Over Infinite-State Probabilistic Systems

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Authors

BRÁZDIL Tomáš KUČERA Antonín STRAŽOVSKÝ Oldřich

Year of publication 2004
Type Article in Proceedings
Conference Proceedings of 15th International Conference on Concurrency Theory (CONCUR 2004)
MU Faculty or unit

Faculty of Informatics

Citation
Field Informatics
Keywords probabilistic bisimilarity; probabilistic 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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