On the diagonal subalgebra of an Ext algebra

DOI10.1016/j.jpaa.2016.08.007zbMath1349.16020arXiv1412.4953OpenAlexW1670067119MaRDI QIDQ343586

Øyvind Solberg, Nicole Snashall, Dan Zacharia, Edward Lee Green

Publication date: 28 November 2016

Published in: Journal of Pure and Applied Algebra (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1412.4953

Mathematics Subject Classification ID

(Co)homology of rings and associative algebras (e.g., Hochschild, cyclic, dihedral, etc.) (16E40) Homological functors on modules (Tor, Ext, etc.) in associative algebras (16E30) Quadratic and Koszul algebras (16S37)

Cites Work

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• Periodic resolutions and self-injective algebras of finite type.
• Hochschild and ordinary cohomology rings of small categories
• Support varieties for selfinjective algebras.
• Resolutions over Koszul algebras.
• MULTIPLICATIVE STRUCTURES FOR KOSZUL ALGEBRAS
• The Hochschild cohomology ring of a selfinjective algebra of finite representation type
• Support varieties and Hochschild cohomology rings

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