Homological epimorphisms, recollements and Hochschild cohomology -- with a conjecture by Snashall-Solberg in view

DOI10.1016/j.aim.2016.05.022zbMath1378.16011arXiv1411.0836OpenAlexW2284343487WikidataQ123161229 ScholiaQ123161229MaRDI QIDQ2629116

Reiner Hermann

Publication date: 20 July 2016

Published in: Advances in Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1411.0836

zbMATH Keywords

Hochschild cohomologyGerstenhaber algebrasrecollementslong exact sequenceshomological epimorphismsone-point-extensions

Mathematics Subject Classification ID

(Co)homology of rings and associative algebras (e.g., Hochschild, cyclic, dihedral, etc.) (16E40) Ext and Tor, generalizations, Künneth formula (category-theoretic aspects) (18G15) Abelian categories, Grothendieck categories (18E10)

Related Items

Cup product and Gerstenhaber bracket on Hochschild cohomology of a family of quiver algebras, Batalin-Vilkovisky structure on Hochschild cohomology of zigzag algebra of type \(\widetilde{\mathbf{A}}_1\), Strongly stratifying ideals, Morita contexts and Hochschild homology, Hochschild cohomology of algebras arising from categories and from bounded quivers, \(A_{\infty}\)-coderivations and the Gerstenhaber bracket on Hochschild cohomology, Deleting or adding arrows of a bound quiver algebra and Hochschild (co)homology

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