Applications and theory of Petri nets : selected papers from the 3rd European Workshop on Application and Theory of Petri Nets, Varenna, Italy, September 27-30, 1982

Invited address.- Some personal views of net theory.- List of contributions.- Structural transformations giving B-equivalent PT-nets.- Equivalence notions for concurrent systems.- Milner’s communicating systems and Petri nets.- A matrix-based implementation of generalized Petri nets.- Petri nets specification of virtual ring protocols.- A note on D-continuous causal nets.- S-invariance in predicate/transition nets.- A diagram editor for line drawings with inscriptions.- Formal semantics by a combination of denotational semantics and high-level Petri nets.- Notions of computability by Petri nets.- High-level Petri nets.- Specification and verification of networks in a Petri net based language.- Construction of distributed systems from cycle-free finite automata.- A graph theoretical property for minimal deadlocks.- Petri nets with individual tokens.- Subset languages of Petri nets.- Control of flexible production systems and Petri nets.- On the notion of interface in condition/event-systems.- Behavioral equivalence of concurrent systems.- Program of the workshop.- Addresses of contributors.