Faithful flatness of Hopf algebras over coideal subalgebras with a conditional expectation

Autor:	Bichon, Julien
Přispěvatelé:	Laboratoire de Mathématiques Blaise Pascal (LMBP), Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA)
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	16T05 Rings and Algebras (math.RA) [MATH.MATH-RA]Mathematics [math]/Rings and Algebras [math.RA] Mathematics - Quantum Algebra FOS: Mathematics [MATH.MATH-QA]Mathematics [math]/Quantum Algebra [math.QA] Quantum Algebra (math.QA) Mathematics - Rings and Algebras
Popis:	Let $H$ be a Hopf algebra and let $A\subset H$ be a right coideal subalgebra. We show that if $A$ is a direct summand in $H$ as a right $A$-module, then $H$ is faithfully flat as a right $A$-module.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b4a2403874a805b3b8aef58a6d5c39a http://arxiv.org/abs/2301.05480 Zobrazit plný text záznamu