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Hochschild cohomology of polynomial repr...
Miemietz, Vanessa...
Hochschild cohomology of polynomial representations of $GL_2(\bar{\mathbb{F}}_p)$ by Miemietz, Vanessa ( Author )
Australian National University
08-08-2023
We compute the Hochschild cohomology algebras of Ringel-self-dual blocks of polynomial representations of $\GL_2$ over an algebraically closed field of characteristic $p>2$, that is, of any block whose number of simple modules is a power of $p$. These algebras are finite-dimensional and we provide an explicit description of their bases and multiplications.
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Article
pdf
29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1107.2240
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