Thursday, December 3, 2020

Thursday, December 3, 2020 — 1:00 PM EST

Title: Twisted Hopf algebras

Speaker: Loïc Foissy Affiliation: Université du Côte d'Opale Zoom: Contact Karen Yeats

Abstract:

A twisted Hopf algebra is a Hopf algebra in the category of linear species. The Fock functors allow to recover "classical" Hopf algebras from twisted ones. Numerous constructions and results can be lifted to the level of twisted bialgebras, such that cofreeness, shuffle and quasi-shuffles products, etc.

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