Andrada Pojar

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idempotent matrices 1 matrix decomposition 1 nilpotent matrices 1 nonderogatory matrices 1 positive characteristic fields 1

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math.KT2026

Equivariant Hochschild cohomology of group algebras and relative $Ext$

Andrada Pojar, Constantin-Cosmin Todea

For a finite group $I^$ , acting on a finite group $G,$ we find necessary conditions for which the first $I^_{0}$ -equivariant Hochschild cohomology of the group algebra $k G$ is non-tr…

Equivariant Hochschild cohomology of group algebras and relative Ext

Equivariant Hochschild cohomology of group algebras and relative $Ext$