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ON THE CONNECTEDNESS OF DELIGNE-LUSZTIG VARIETIES

By Ulrich Görtz

Abstract

We give a criterion which determines when a union of one-dimensional Deligne-Lusztig varieties has a connected closure. We also obtain a new, short proof of the connectedness criterion for Deligne-Lusztig varieties due to Lusztig

Year: 2008
OAI identifier: oai:CiteSeerX.psu:10.1.1.247.9105
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