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30 p, 400.6 KB Cohomological dimensions of universal cosovereign Hopf algebras / Bichon, Julien (Université Clermont Auvergne. Laboratoire de Mathématiques Blaise Pascal)
We compute the Hochschild and Gerstenhaber-Schack cohomological dimensions of the universal cosovereign Hopf algebras, when the matrix of parameters is a generic asymmetry. Our main tools are considerations on the cohomologies of free product of Hopf algebras, and on the invariance of the cohomological dimensions under graded twisting by a finite abelian group.
2018 - 10.5565/PUBLMAT6221801
Publicacions matemàtiques, Vol. 62 Núm. 2 (2018) , p. 301-330 (Articles)  
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