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Towards a theory of (self) applicative communicating processes: A short note. (English) Zbl 0695.68048
Summary: A direct combination of the $$\lambda$$-calculus with concepts from concurrency is introduced. Abstraction and (self) application from the $$\lambda$$-calculus are maintained as primitive constructs in the combined calculus, which incorporates also notions of (non)deterministic choice, concurrent and sequential composition, communication, encapsulation, and hiding as in process algebra (CCS, etc.). In this setting $$\lambda$$ is just an arbitrary port name without any special role. We give an operational semantics to the combined calculus, where process application appears as a generalization of function application. The combined calculus has great expressive power: recursive constructs appear through self application and data objects are just component processes in concurrent constructs.

##### MSC:
 68Q99 Theory of computing 68N25 Theory of operating systems 03B40 Combinatory logic and lambda calculus
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##### References:
 [1] Boudol, G., Towards a lambda-calculus for concurrent and communicating systems, (), 149-161, CAAP, Lecture Notes in Computer Science [2] Milner, R., A calculus of communicating systems, Lecture notes in computer science, 92, (1980), Springer Berlin · Zbl 0452.68027 [3] Thomsen, B., A calculus of higher order communicating systems, Proc. POPL 89, SIGPLAN notices, (1989)
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