Generating Type Systems for Process Graphs

  • Authors:
  • Barbara König

  • Affiliations:
  • -

  • Venue:
  • CONCUR '99 Proceedings of the 10th International Conference on Concurrency Theory
  • Year:
  • 1999

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Abstract

We introduce a hypergraph-based process calculus with a generic type system. That is, a type system checking an invariant property of processes can be generated by instantiating the original type system. We demonstrate the key ideas behind the type system, namely that there exists a hypergraph morphism from each process graph into its type, and show how it can be used for the analysis of processes. Our examples are input/output-capabilities, secrecy conditions and avoiding vicious circles occurring in deadlocks. In order to specify the syntax and semantics of the process calculus and the type system, we introduce a method of hypergraph construction using concepts from category theory.