Parabolic Kazhdan-Lusztig polynomials and Schubert varieties

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We shall give a description of the intersection cohomology groups of the Schubert varieties in partial flag manifolds over symmetrizable Kac-Moody Lie algebras in terms of parabolic Kazhdan-Lusztig polynomials introduced by Deodhar.
21 pages

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Representation Theory, Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/79022

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9908153
 http://arxiv.org/abs/math/9908153

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arXiv