The Hochschild cohomology ring is described in terms of generators and relations for self-injective algebras of finite representation type with tree class E7.
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Translated from Zapiski Nauchnykh Seminarov POMI, Vol. 484, 2019, pp. 86–114.
Translated by I. Ponomarenko.
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Kachalova, M.A. Hochschild Cohomology Ring for Self-Injective Algebras with Tree Class E7. J Math Sci 252, 804–824 (2021). https://doi.org/10.1007/s10958-021-05201-z
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DOI: https://doi.org/10.1007/s10958-021-05201-z