Noncommutative Geometry Seminar

Date: May 6, 2022

Time: 2:00PM - 3:00PM

Location: ZOOM

Speaker: Yves Andre, Institut de Mathématiques de Jussieu

Title: A Remark on the Tate Conjecture

Abstract: The Tate conjecture has two parts: i) Tate classes are generated by algebraic classes, ii) semisimplicity of Galois representations coming from pure motives. In a recent note with the same title, B. Moonen proved that i) implies ii) in characteristic 0. I’ll recast his result in the framework of observability theory, and discuss the case of positive characteristic.

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