Relational parametricity for computational effects.

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• Rasmus Møgelberg, Edinburgh
• Friday 16 March 2007, 14:00-15:00
• FW11.

If you have a question about this talk, please contact Matthew Parkinson.

According to Strachey, a polymorphic program is parametric if it applies a uniform algorithm independently of the type instantiations at which it is applied. The notion of relational parametricity, introduced by Reynolds, is one possible mathematical formulation of this idea. Relational parametricity provides a powerful tool for establishing data abstraction properties, proving equivalences of datatypes, and establishing equalities of programs. Such properties have been well studied in a pure functional setting. Real programs, however, exhibit computational effects. In this paper, we develop a framework for extending the notion of relational parametricity to languages with effects.

This talk is part of the Logic and Semantics Seminar (Computer Laboratory) series.

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