Processes and the denotational semantics of concurrency
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TL;DR
A framework allowing a unified and rigorous definition of the semantics of concurrency is proposed, which introduces processes as elements of process domains which are obtained as solutions of domain equations in the sense of Scott and Plotkin.
Abstract
The set of all probability measures with compact support on an ultrametric space can be endowed with a natural ultrametric.We show that the functor of probability measures with finite supports (respectively compact supports) forms a monad in the category of ultrametric spaces (respectively complete ultrametric spaces) and nonexpanding maps.It is also proven that the G-symmetric power functor has an extension onto the Kleisli category of the probability measure monad.
