Premonoidal categories and notions of computation

  • Authors:
  • John Power;Edmund Robinson

  • Affiliations:
  • Department of Computer Science, University of Edinburgh, King's Buildings, Edinburgh EH9 3JZ, Scotland;Department of Computer Science, Queen Mary and Westfield College, University of London, Mile End Road, London E1 4NS, UK

  • Venue:
  • Mathematical Structures in Computer Science
  • Year:
  • 1997

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Abstract

We introduce the notions of premonoidal category and premonoidal functor, and show how these can be used in the denotational semantics of programming languages. We characterize the semantic definitions of Eugenio Moggi's monads as notions of computation, exhibit a representation theorem for our premonoidal setting in terms of monads, and give a fibrational setting for the structure.