The Hopf category of Frobenius algebras

Fuente: arXiv
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Auteurs principaux: Großkopf, Paul, Vercruysse, Joost
Format: Preprint
Publié: 2024
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author Großkopf, Paul
Vercruysse, Joost
author_facet Großkopf, Paul
Vercruysse, Joost
contents We show that the universal measuring coalgebras between Frobenius algebras turn the category of Frobenius algebras into a Hopf category (in the sense of Batista-Caenepeel-Vercruysse), and the universal comeasuring algebras between Frobenius algebras turn the category Frobenius algebras into a Hopf opcategory. We also discuss duality and compatibility results between these structures. Our theory vastly generalizes the well-known fact that any homomorphism beween Frobenius algebras is an isomorphism, but also allows to go beyond classical (iso)morphisms between Frobenius algebras, especially in finite characteristic, as we show by some explicit examples. The paper is concluded with some open questions and considerations about Topological Quantum Field Theories.
format Preprint
id arxiv_https___arxiv_org_abs_2406_18499
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The Hopf category of Frobenius algebras
Großkopf, Paul
Vercruysse, Joost
Quantum Algebra
Category Theory
Rings and Algebras
We show that the universal measuring coalgebras between Frobenius algebras turn the category of Frobenius algebras into a Hopf category (in the sense of Batista-Caenepeel-Vercruysse), and the universal comeasuring algebras between Frobenius algebras turn the category Frobenius algebras into a Hopf opcategory. We also discuss duality and compatibility results between these structures. Our theory vastly generalizes the well-known fact that any homomorphism beween Frobenius algebras is an isomorphism, but also allows to go beyond classical (iso)morphisms between Frobenius algebras, especially in finite characteristic, as we show by some explicit examples. The paper is concluded with some open questions and considerations about Topological Quantum Field Theories.
title The Hopf category of Frobenius algebras
topic Quantum Algebra
Category Theory
Rings and Algebras
url https://arxiv.org/abs/2406.18499