BRST operators for W algebras

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The study of quantum Lie algebras motivates a use of non-canonical ghosts and anti-ghosts for non-linear algebras, like W-algebras. This leads, for the W_3 and W_3^(2) algebras, to the BRST operator having the conventional cubic form.
15 pages, revised version, to appear in J. Math. Phys

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Mathematical Physics, High Energy Physics - Theory, Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/205540

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0802.3781
 http://arxiv.org/abs/0802.3781
 J.Math.Phys.49:073512,2008
 doi:10.1063/1.2940333

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arXiv