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X-WR-CALDESC:Évènements pour LMNO · Laboratoire de mathématiques Nicolas Oresme
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DTSTART;TZID=Europe/Paris:20260313T140000
DTEND;TZID=Europe/Paris:20260313T150000
DTSTAMP:20260603T233425
CREATED:20260304T131023Z
LAST-MODIFIED:20260311T114113Z
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SUMMARY:Séminaire TNGA : Zhenghui Li
DESCRIPTION:Orateur :  Zhenghui Li (Sorbonne Université) \n\n\n\nTitre : On p-torsions of geometric Brauer groups \n\n\n\nRésumé : Let X be a smooth projective irreducible variety over a finitely generated field k of characteristic p>0. We show that the finiteness of the exponent of the p-primary part of the geometric Brauer group is equivalent to the Tate conjecture for divisors\, generalizing D’Addezio’s theorem for abelian varieties to arbitrary smooth projective varieties. In this talk\, I will explain how syntomic cohomology is used to prove such a statement. This is a joint work with Yanshuai Qin.
URL:https://lmno.unicaen.fr/evenement/seminaire-tnga-zhenghui-li/
CATEGORIES:Séminaire,Théorie des nombres
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