Some Constructions for Order-Theoretic Models of Concurrency


We give “tight” and “loose” constructions suitable for specifying processes represented as sets of pomsets (partially ordered multisets). The tight construction is suitable for specifying “primitive” processes; it introduces the dual notions of concurrence and orthocurrence. The loose construction specifies a process in terms of a net of communicating subprocesses; it introduces the notion of a utilization embedding a process in a net.


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