Non-Abelian Hopf Cohomology

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We introduce non-abelian cohomology sets of Hopf algebras with coefficients in Hopf modules. We prove that these sets generalize Serre's non-abelian group cohomology theory. Using descent techniques, we establish that our construction enables to classify as well twisted forms for modules over Hopf-Galois extensions as torsors over Hopf-modules.
19 pages

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K-Theory and Homology, Rings and Algebras, 18G50

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http://salesiana.dossiersoluciones.com/handle/123456789/105132

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0511712
 http://arxiv.org/abs/math/0511712

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arXiv