Geodesic
Hochschild cohomology ring for self-injective algebras of tree class $E_6$
Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 26, Tome 423 (2014), pp. 205-243 Cet article a éte moissonné depuis la source Math-Net.Ru

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The Hochschild cohomology ring are described for algebras from one of the two families of self-injective algebras of tree class $E_6$. The description is given in terms of generators and relations. 
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M. A. Pustovykh. Hochschild cohomology ring for self-injective algebras of tree class $E_6$. Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 26, Tome 423 (2014), pp. 205-243. http://geodesic.mathdoc.fr/item/ZNSL_2014_423_a10/

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