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Abstract: We generalize purity of the Newton stratification to purity for a singlebreak point of the Newton point in the context of local G-shtukas respectivelyof elements of the loop group of a reductive group. As an application we provethat elements of the loop group bounded by a given dominant coweight satisfy ageneralization of Grothendieck-s conjecture on deformations of p-divisiblegroups with given Newton polygons.



Author: Eva Viehmann

Source: https://arxiv.org/







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