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# Humberto Diaz : The Rost nilpotence principle

In this talk, I will discuss Chow motives and the Rost nilpotence principle, which played a role in Voevodsky's celebrated proof of the Milnor conjecture. Conjectural in general, this principle is useful in determining when motivic decompositions obey Galois descent. After covering some preliminaries, I will give an overview of a new proof of this principle for surfaces over a perfect field.

**Category**: Algebraic Geometry**Duration**: 01:34:39**Date**: September 21, 2018 at 3:10 PM**Views**: 159-
**Tags:**seminar, Algebraic Geometry Seminar

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