Concurrent Realizability on Conjunctive Structures
Abstract
This work aims at exploring the algebraic structure of concurrent processes and their behaviour independently of a particular formalism used to define them. We propose a new algebraic structure, which we name conjunctive linear algebras, as a basis for an algebraic presentation of concurrent realizability, following ideas of the algebrization program already developed in he realm of classical and intuitionistic realizability. In particular, we show how any conjunctive linear algebra provides a sound interpretation of multiplicative linear logic. This new structure involves, in addition to the tensor and the orthogonal map, a parallel composition. We define the canonical model of this structure as induced by a variant of the π-calculus with global fusions. Using a model of terms, we prove that the parallel composition cannot be defined from the conjunctive structure alone.
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