On Lepowsky-Wilson's Z-algebra

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We show that the deformed Virasoro algebra specializes in a certain limit to Lepowsky-Wilson's Z-algebra. This leads to a free field realization of the affine Lie algebra \hat{sl_2} which respects the principal gradation. We discuss some features of this bosonization including the screening current and vertex operators.
8 pages

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Quantum Algebra, Mathematical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/59243

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0005203
 http://arxiv.org/abs/math/0005203
 Recent Developments in Infinite-Diminsional Lie Algebras and Conformal Field Theory, Proceedings of the Conference on Infinite-dimensional Lie Theory, Contemporary Mathematics 297, AMS, Providence, 2002.

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