Invertible weak entwining structures and weak \(C\)-cleft extensions

DOI10.1007/S10485-006-9041-8zbMath1116.18003OpenAlexW2094189379MaRDI QIDQ863165

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

Publication date: 25 January 2007

Published in: Applied Categorical Structures (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10485-006-9041-8

zbMATH Keywords

entwining structure

Mathematics Subject Classification ID

Hopf algebras and their applications (16T05)

Related Items (7)

The Galois theory of matrix \(C\)-rings. ⋮ A characterization of projective weak Galois extensions. ⋮ Group Corings and (Invertible) Weak Group Entwining Structures ⋮ Strong connections and invertible weak entwining structures. ⋮ Invertible Lax Entwining Structures and C-Cleft Extensions ⋮ GroupC-Rings and Weak Group Algebra Galois Coextensions ⋮ Crossed Products for Weak Hopf Algebras

Cites Work

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• The structure of corings: induction functors, Maschke-type theorem, and Frobenius and Galois-type properties
• Weak \(C\)-cleft extensions and weak Galois extensions.
• On generalized Hopf Galois extensions.
• The Predual Theorem to the Jacobson-Bourbaki Theorem
• Doi-hopf modules over weak hopf algebras
• The Structure of Weak Coalgebra-Galois Extensions

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