Petri Nets Are Less Expressive Than State-Extended PA

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Authors	KŘETÍNSKÝ Mojmír ŘEHÁK Vojtěch STREJČEK Jan
Year of publication	2008
Type	Article in Periodical
Magazine / Source	Theoretical Computer Science
MU Faculty or unit	Faculty of Informatics
Citation
Field	Informatics
Keywords	Petri nets; PA processes; bisimulation
Description	We show that the class of Petri nets is less expressive with respect to bisimulation equivalence than the class of PA processes extended with a finite state control unit.
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