The Hochschild cohomology ring of a cyclic block
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Publication:4942891
DOI10.1090/S0002-9939-00-05466-6zbMath0960.20033MaRDI QIDQ4942891
Sarah Witherspoon, Stephen F. Siegel
Publication date: 15 March 2000
Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)
relationsgroup algebrasfinite groupsdefect groupspresentationsgeneratorsHochschild cohomology ringscyclic blocks
(Co)homology of rings and associative algebras (e.g., Hochschild, cyclic, dihedral, etc.) (16E40) Modular representations and characters (20C20) Cohomology of groups (20J06) Group rings of finite groups and their modules (group-theoretic aspects) (20C05)
Related Items (6)
On blocks with Frobenius inertial quotient. ⋮ An alternating sum for Hochschild cohomology of a block ⋮ The Lie module structure on the Hochschild cohomology groups of monomial algebras with radical square zero. ⋮ Quillen stratification for Hochschild cohomology of blocks ⋮ Hochschild cohomology and Linckelmann cohomology for blocks of finite groups. ⋮ The Lie algebra structure of the degree one Hochschild cohomology of the blocks of the sporadic Mathieu groups
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