A characterization of projective weak Galois extensions.

DOI10.1007/S11856-009-0107-9zbMath1192.16029OpenAlexW2054723283MaRDI QIDQ2655777

J. M. Fernández Vilaboa, M. P. López, J. N. Alonso Álvarez, Ramón González Rodríguez

Publication date: 26 January 2010

Published in: Israel Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11856-009-0107-9

zbMATH Keywords

coalgebrascomodulesweak Galois extensionsweak entwining structurescoequalizersweak entwining modules

Mathematics Subject Classification ID

Separable algebras (e.g., quaternion algebras, Azumaya algebras, etc.) (16H05) Twisted and skew group rings, crossed products (16S35) Galois theory and commutative ring extensions (13B05) Hopf algebras and their applications (16T05) Coalgebras and comodules; corings (16T15)

Related Items (1)

Strong connections and invertible weak entwining structures.

Cites Work

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• Coalgebra extensions and algebra coextensions of galois type
• The Structure of Weak Coalgebra-Galois Extensions
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