Geodesic
Operations on the Hopf-Hochschild complex for module-algebras
Homology, homotopy, and applications, Tome 13 (2011) no. 1, pp. 259-272.

Voir la notice de l'article provenant de la source International Press of Boston

It is proved that Kaygun’s Hopf-Hochschild cochain complex for a module-algebra is a brace algebra with multiplication. As a result, an analogue of Deligne’s Conjecture holds for module-algebras, and the Hopf-Hochschild cohomology of a module-algebra has a Gerstenhaber algebra structure.
DOI : 10.4310/HHA.2011.v13.n1.a10
Classification : 16E40
Keywords: module-algebra, Hopf-Hochschild cohomology, Gerstenhaber algebra, brace algebra, Deligne’s conjecture 
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     title = {Operations on the {Hopf-Hochschild} complex for module-algebras},
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     pages = {259--272},
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Donald Yau. Operations on the Hopf-Hochschild complex for module-algebras. Homology, homotopy, and applications, Tome 13 (2011) no. 1, pp. 259-272. doi : 10.4310/HHA.2011.v13.n1.a10. http://geodesic.mathdoc.fr/articles/10.4310/HHA.2011.v13.n1.a10/

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