Grothendieck–Serre in the quasi-split unramified case

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.