Weak \(C\)-cleft extensions, weak entwining structures and weak Hopf algebras.

DOI10.1016/j.jalgebra.2004.07.043zbMath1085.16027OpenAlexW2083178693MaRDI QIDQ1770453

Ramón González Rodríguez, J. M. Fernández Vilaboa, Ana Belen Rodríguez Raposo, J. N. Alonso Álvarez

Publication date: 7 April 2005

Published in: Journal of Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jalgebra.2004.07.043

zbMATH Keywords

weak Hopf algebrasbraided monoidal categoriesweak cleft extensionsweak entwining structures

Mathematics Subject Classification ID

Related Items (19)

Maschke-Type Theorem, Duality Theorem, and the Global Dimension for Weak Crossed Products ⋮ Weak Galois and Weak Cocleft Coextensions ⋮ Invertible weak entwining structures and weak \(C\)-cleft extensions ⋮ Cleft extensions of Hopf algebroids. ⋮ Morita theory for coring extensions and cleft bicomodules. ⋮ Weak crossed biproducts and weak projections. ⋮ (Co)homology of crossed products by weak Hopf algebras ⋮ On weak crossed products of weak Hopf algebras. ⋮ Crossed products over weak Hopf algebras related to cleft extensions and cohomology ⋮ Projections of weak braided Hopf algebras. ⋮ Lax entwining structures, groupoid algebras and cleft extensions. ⋮ Weak \(C\)-cleft extensions and weak Galois extensions. ⋮ Crossed products in weak contexts. ⋮ Cleft extensions of weak Hopf algebras ⋮ Preunits and weak crossed products ⋮ The Miyashita–Ulbrich Action for Weak Hopf Algebras ⋮ Crossed Products for Weak Hopf Algebras ⋮ Comparison of two notions of weak crossed product ⋮ Unnamed Item

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