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Normalization of closed Ekedahl-Oort strata (1703.05197v3)
Published 15 Mar 2017 in math.AG and math.GR
Abstract: We apply our theory of partial flag spaces developed in previous articles to study a group-theoretical generalization of the canonical filtration of a truncated Barsotti-Tate group of level 1. As an application, we determine explicitly the normalization of the Zariski closures of Ekedahl-Oort strata of Shimura varieties of Hodge-type as certain closed coarse strata in the associated partial flag spaces.
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