Extensions of (super) Lie algebras

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In this paper, we give a purely cohomological interpretation of the extension problem for (super) Lie algebras; that is the problem of extending a Lie algebra by another Lie algebra. We then give a similar interpretation of infinitesimal deformations of extensions. In particular, we consider infinitesimal deformations of representations of a Lie algebra.
25 pages

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Representation Theory, 17B56 (primary) 12F05 (secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/122707

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0611234
 http://arxiv.org/abs/math/0611234

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arXiv