Types for dyadic interaction

  • Kohei Honda
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 715)


We formulate a typed formalism for concurrency where types denote freely composable structure of dyadic interaction in the symmetric scheme. The resulting calculus is a typed reconstruction of name passing process calculi. Systems with both the explicit and implicit typing disciplines, where types form a simple hierarchy of types, are presented, which are proved to be in accordance with each other. A typed variant of bisimilarity is formulated and it is shown that typed β-equality has a clean embedding in the bisimilarity. Name reference structure induced by the simple hierarchy of types is studied, which fully characterises the typable terms in the set of untyped terms. It turns out that the name reference structure results in the deadlock-free property for a subset of terms with a certain regular structure, showing behavioural significance of the simple type discipline.


Functional Type Atomic Type Reference Structure Dyadic Interaction Constant Symbol 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Kohei Honda
    • 1
  1. 1.Department of Computer ScienceKeio UniversityYokohamaJapan

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