Full abstraction for polymorphic π-calculus

  • Authors:
  • Alan Jeffrey;Julian Rathke

  • Affiliations:
  • Bell Laboratories, Alcatel-Lucent, Lisle, IL, USA;University of Southampton, Southampton, UK

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2008

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Abstract

The problem of finding a fully abstract model for the polymorphic @p-calculus was stated in Pierce and Sangiorgi's work in 1997 and has remained open since then. In this paper, we show that a variant of their language has a fully abstract model, which does not depend on type unification or logical relations. This is the first fully abstract model for a polymorphic concurrent language. In addition, we discuss the relationship between our work and Pierce and Sangiorgi's, and show that their model based on type unification is sound but not complete.