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Date: 2021-12-09
Time: 15:30 - 16:30
Speaker
Kęstutis Česnavičius
Abstract
The Grothendieck–Serre conjecture predicts that every generically trivial torsor under a reductive group scheme G over a regular local ring R is trivial. We will explain how to settle it in the case when G is quasi-split and R is unramified.