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math.AG2020
Affine Deligne-Lusztig varieties and folded galleries governed by chimneys
Elizabeth Milićević, Petra Schwer, Anne Thomas
We characterize the nonemptiness and dimension problems for an affine Deligne-Lusztig variety in the affine flag variety in terms of galleries that are positively folded w…
math.MG2020★ 2 cited
Polyhedral compactifications, I
Corina Ciobotaru, Linus Kramer, Petra Schwer
In this work we describe horofunction compactifications of metric spaces and finite dimensional real vector spaces through asymmetric metrics and asymmetric polyhedral norms by mea…