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CANCELLED The integral Hodge conjecture for 3-folds of Kodaira dimension zero.

Presented by: 
Burt Totaro
Date: 
Tuesday 24th March 2020 - 16:00 to 17:00
Venue: 
INI Seminar Room 1
Abstract: 
We prove the integral Hodge conjecture for all 3-folds X of > Kodaira dimension zero with H^0(X, K_X) not zero. > This generalizes earlier results of Voisin and Grabowski. > The assumption is sharp, in view of counterexamples by Benoist and > Ottem. We also prove similar results on the integral Tate conjecture. > For example, the integral Tate conjecture holds for abelian 3-folds in > any characteristic.




University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons