Hochschild cohomology of truncated quiver algebras

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For a truncated quiver algebra over a field of arbitrary characteristic, its Hochschild cohomology is calculated. Moreover, it is shown that its Hochschild cohomology algebra is finite-dimensional if and only if its global dimension is finite if and only if its quiver has no oriented cycles.
12 pages

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Rings and Algebras, Representation Theory, 16E40, 16E10, 16G10

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http://salesiana.dossiersoluciones.com/handle/123456789/76301

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0509202
 http://arxiv.org/abs/math/0509202

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arXiv