Twistings, crossed coproducts, and Hopf-Galois coextensions.

DOI10.1155/S0161171203212400zbMath1066.16036arXivmath/0210460OpenAlexW2104422185MaRDI QIDQ1774357

Yanxin Wang, Dingguo Wang, Stefaan Caenepeel

Publication date: 9 May 2005

Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0210460

zbMATH Keywords

crossed productsHopf algebrascrossed coproductstwistingscleft extensionsmodule coalgebrasHopf-Galois coextensionscleft coextensionsHarrison 2-cocyclesinvertible twist maps

Mathematics Subject Classification ID

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