Line bundles L on projective toric varieties can be understood as formal differences of convex polyhedra in the character lattice. We show how it is possible to use this language for understanding the cohomology of L by studying the set-theoretic…
Eventi
Codimension two cycles and unramified third cohomology for certain products of two varieties – Jean-Louis Colliot-Thelene (Université de Paris-Saclay)
We investigate the integral Tate conjecture for 1-cycles on the product of a curve and a surface over a finite field, under the assumption that the surface is geometrically $\mathsf{CH}_0$-trivial. By this we mean that over any algebraically closed…