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gstei_02

Ulrich Goertz (Universität Duisburg Essen):Affine Deligne-Lusztig varieties

Donnerstag, 28.04.2011 16:30 im Raum M5
Mathematik und Informatik

Affine Deligne-Lusztig varieties are analogs (in the context of an affine root system) of Deligne-Lusztig varieties, which play an important role in the representation theory of finite groups of Lie type. They are subvarieties of affine Grassmannians or affine flag varieties, and studying them leads to combinatorial and geometric questions. Affine Deligne-Lusztig varieties serve to describe arithmetic properties of Shimura varieties, but they are also of purely group theoretic interest. In this talk, I will explain the notion of affine Deligne-Lusztig variety, present it in a greater context, and report on new results (joint with X. He) about their properties.



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Angelegt am Mittwoch, 23.03.2011 10:35 von gstei_02
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Kolloquium Wilhelm Killing