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Kleisli object

Kleisli object

Apr 29, 20251 min read

kleisli-object

Tags: bicategory, Bimodule on a bicategory, monoid, Module, drawing universal modules. References.

  • The Formal Theory of Monads (Street, 1972)

In the bicategory of categories

Proposition. In CAT, the bicategory of categories, the Kleisli object of a monad is the category of free algebras.

kleisli-in-cat

In the bicategory of profunctors

Proposition. In PROF, the bicategory of profunctors, the Kleisli object of a promonad is the category with morphisms in the promonad.

kleisli-in-prof


Graph View

  • In the bicategory of categories
  • In the bicategory of profunctors

Backlinks

  • Eilenberg-Moore object
  • Modules in wire diagrams
  • drawing universal modules
  • formal category theory

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