On the Hochschild cohomology ring of the quaternion group of order eight in characteristic two

Published 16 Jul 2014 in math.KT and math.RA | (1407.4341v1)

Abstract: Let $k$ be an algebraically closed field of characteristic two and let $Q_8$ be the quaternion group of order $8$. We determine the Gerstenhaber Lie algebra structure and the Batalin-Vilkovisky structure on the Hochschild cohomology ring of the group algebra $kQ_8$.

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