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A new notion of a general morphism of Petri nets is introduced. The new morphisms are shown to properly include the morphisms considered so far. The resulting category of general Petri nets is shown to admit products. Here, it is shown that the new notion turns out to be indispensable to facilitate functoriality of synthesis of transition systems by means of (labelled) state machines. In the companion...
Omawiany jest problem znajdowania (funktorialnej) współbieżnej realizacji systemu reaktywnego jako etykietowanej bezpiecznej sieci Petriego. Najpierw opisana jest funktorialna konstrukcja prowadząca z kategorii konkretnych systemów asynchronicznych, wprowadzonych przez Morina, do kategorii etykietowanych bezpiecznych sieci Petriego. Następnie omówiony jest problem w pełnej ogólności. Na ogół nie istnieje...
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