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(Co)homology of partial smash products

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Author(s):
Dokuchaev, Mikhailo ; Jerez, Emmanuel
Total Authors: 2
Document type: Journal article
Source: Journal of Algebra; v. 652, p. 45-pg., 2024-05-08.
Abstract

Given a cocommutative Hopf algebra H over a commutative ring K and a symmetric partial action of H on a K -algebra A, we obtain a first quadrant Grothendieck spectral sequence converging to the Hochschild homology of the smash product A# H, involving the Hochschild homology of A and the partial homology of H. An analogous third quadrant cohomological spectral sequence is also obtained. The definition of the partial (co)homology of H under consideration is based on the category of the partial representations of H. A specific partial representation of H on a subalgebra B of the partial "Hopf" algebra H par is involved in the definition and we construct a projective resolution of B. (c) 2024 Elsevier Inc. All rights reserved. (AU)

FAPESP's process: 20/16594-0 - Non commutative rings and applications
Grantee:Francisco Cesar Polcino Milies
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 22/12963-7 - (Co)homology and partial actions
Grantee:Emmanuel Jerez Usuga
Support Opportunities: Scholarships in Brazil - Doctorate