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On the Power of Labels in Transition Systems
2001
BRICS Report Series
In this paper we discuss the role of labels in transition systems with regard to bisimilarity and model checking problems. We suggest a general reduction from labelled transition systems to unlabelled ones, preserving bisimilarity and satisfiability of mu-calculus formulas. We apply the reduction to the class of transition systems generated by Petri nets and pushdown automata, and obtain several decidability/complexity corollaries for unlabelled systems. Probably the most interesting result is
doi:10.7146/brics.v8i19.21680
fatcat:ykjmghjefbc5tfsz64z7qkdibq