Abstract
Liveness is a basic property of a system and the liveness issue of unbounded Petri nets remains one of the most difficult problems in this field. This work proposes a novel method to decide the liveness of a class of unbounded generalized Petri nets called ω-independent unbounded nets, breaking the existing limits to one-place-unbounded nets. An algorithm to construct a macro liveness graph (MLG) is developed and a critical condition based on MLG deciding the liveness of ω-independent unbounded nets is proposed. Examples are provided to demonstrate its effectiveness.
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Wang, S., Gan, M. & Zhou, M. Macro liveness graph and liveness of ω-independent unbounded nets. Sci. China Inf. Sci. 58, 1–10 (2015). https://doi.org/10.1007/s11432-014-5239-9
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DOI: https://doi.org/10.1007/s11432-014-5239-9