Algebras Generated by Elements with Given Spectrum and Scalar Sum and Kleinian Singularities

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For a certain class of (nonunital) subalgebras of deformed preprojective algebra of affine type we describe their centers as certain deformation of Kleinian singularity and find their PI-degree. These results can be applied to algebras generated by elements with given spectrum and scalar sum.
18 pages

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Rings and Algebras, Representation Theory, 16S99 (Primary), 14B07 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/71462

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0406119
 http://arxiv.org/abs/math/0406119

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arXiv