The centroid of extended affine and root graded Lie algebras

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We develop general results on centroids of Lie algebras and apply them to determine the centroid of extended affine Lie algebras, loop-like and Kac-Moody Lie algebras, and Lie algebras graded by finite root systems.
35 pages

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Representation Theory, Rings and Algebras, 17B40 (Primary) 17A36, 17B67 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/74337

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0502561
 http://arxiv.org/abs/math/0502561

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arXiv