Petri nets: an introduction
Information Processing Letters
Nonsequential processes
Finite processes in cause-effect structures and their composition
Information Processing Letters
Remarks on the equivalence of c-e structures and Petri nets
Information Processing Letters
Cause-Effect Structures - Structural and Semantic Properties Revisited
Fundamenta Informaticae
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Cause-Effect (C-E) structures have been proposed as a formalism to describe concurrent and distributed systems. On C-E structures two operations, multiplication and addition, are defined, which allow easy combination and modular development of descriptions. In this paper a concept of process of a C-E structure with an initial state (C-E system) is defined similarly to that of a process of a Condition/Event net in Petri net theory, and operations on processes are studied which correspond to operations on C-E systems.