Pierre Grillet is an Eleritus Professor at Tulane university. He has worked mostly on semigroup theory, but also made important contributions to both cohomology theory and category theory.
Introducing Barr-exact categories and regular categories:
On semigroups:
Showing that ‘triple’ (Beck) cohomology for commutative semigroups can be described in concrete terms and related to commutative group coextensions:
Last revised on November 9, 2021 at 16:04:17. See the history of this page for a list of all contributions to it.