Local Models in the ramified case. III. Unitary groups

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We continue our study of the reduction of PEL Shimura varieties with parahoric level structure at primes p at which the group that defines the Shimura variety ramifies. We describe "good" $p$-adic integral models of these Shimura varieties and study their 'etale local structure. In this paper we mainly concentrate on the case of unitary groups for a ramified quadratic extension. Some of our results are applications of the theory of twisted affine flag varieties in our previous paper math.AG/0607130.
57 pages, 5 figures

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Algebraic Geometry, Number Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/123780

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0702286
 http://arxiv.org/abs/math/0702286

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arXiv