Geodesic
Hochschild cohomology of algebras of semidihedral type, X. Cohomology algebra for exceptional local algebras
Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 37, Tome 500 (2021), pp. 51-111 Cet article a éte moissonné depuis la source Math-Net.Ru

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Hochschild cohomology algebra is described in term of generators and relations for a family of localalgebras of semidihedral type. This family appears in the famous K. Erdmann's classification only in the case where the characteristic of the base field is equal to 2. 
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A. I. Generalov. Hochschild cohomology of algebras of semidihedral type, X. Cohomology algebra for exceptional local algebras. Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 37, Tome 500 (2021), pp. 51-111. http://geodesic.mathdoc.fr/item/ZNSL_2021_500_a4/

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[5] A. I. Generalov, “Kogomologii Khokhshilda algebr poludiedralnogo tipa, III. Seriya $SD(2\mathcal B)_2$ v kharakteristike $2$”, Zap. nauchn. semin. POMI, 400, 2012, 133–157

[6] A. I. Generalov, “Kogomologii Khokhshilda algebr poludiedralnogo tipa, IV. Algebra kogomologii dlya serii $SD(2\mathcal B)_2(k,t,c)$ pri $c=0$”, Zap. nauchn. semin. POMI, 413, 2013, 45–92

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[12] A. I. Generalov, “Kogomologii Khokhshilda algebr diedralnogo tipa, I: seriya $D(3\mathcal{K})$ v kharakteristike $2$”, Algebra i analiz, 16:6 (2004), 53–122

[13] A. I. Generalov, N. Yu. Kosovskaya, “Kogomologii Khokhshilda algebr diedralnogo tipa, IV. Seriya $D(2\mathcal B)(k,s,0)$”, Zap. nauchn. semin. POMI, 423, 2014, 67–104