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Composition/decomposition of Petri nets and their covering graphs. (Composition/décomposition de réseaux de Petri et de leurs graphes de couverture.) (French) Zbl 0890.68088

We study composition and decomposition of Petri nets via a common set of places or transitions. We prove that some properties are preserved by these techniques, and some other ones can be obtained by the composition of the covering graphs. We propose some algorithms to decompose a net according to the properties that must be verified. We present an algorithm to compose minimal covering graphs, less expensive than a straightforward construction, concerning time as well as space.

MSC:

68Q85 Models and methods for concurrent and distributed computing (process algebras, bisimulation, transition nets, etc.)
68W35 Hardware implementations of nonnumerical algorithms (VLSI algorithms, etc.)
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References:

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