Ordinariness in good reductions of Shimura varieties of PEL-type
Torsten Wedhorn (1999)
Annales scientifiques de l'École Normale Supérieure
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Torsten Wedhorn (1999)
Annales scientifiques de l'École Normale Supérieure
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Ben Moonen (2004)
Annales de l’institut Fourier
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We study the Ekedahl-Oort stratification on moduli spaces of PEL type. The strata are indexed by the classes in a Weyl group modulo a subgroup, and each class has a distinguished representative of minimal length. The main result of this paper is that the dimension of a stratum equals the length of the corresponding Weyl group element. We also discuss some explicit examples.
Fred Diamond, Matthias Flach, Li Guo (2004)
Annales scientifiques de l'École Normale Supérieure
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T. Sekiguchi, F. Oort, N. Suwa (1989)
Annales scientifiques de l'École Normale Supérieure
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M. Artin, B. Mazur (1977)
Annales scientifiques de l'École Normale Supérieure
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