A Calculus and Logic of Resources and Processes

Reference:

Pym, D. and Tofts, C., 2006. A Calculus and Logic of Resources and Processes. Formal Aspects of Computing, 18 (4), pp. 495-517.

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Abstract

Recent advances in logics for reasoning about resources provide a new approach to compositional reasoning in interacting systems. We present a calculus of resources and processes, based on a development of Milner's synchronous calculus of communication systems, SCCS, that uses an explicit model of resource. Our calculus models the co-evolution of resources and processes with synchronization constrained by the availability of resources. We provide a logical characterization, analogous to Hennessy-Milner logic's characterization of bisimulation in CCS, of bisimulation between resource processes which is compositional in the concurrent and local structure of systems.

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