Enriques surface fibrations of even index​

Nom de l'orateur
John Christian Ottem
Etablissement de l'orateur
University of Oslo
Date et heure de l'exposé
Lieu de l'exposé
visioconférence

I will explain a geometric construction of an Enriques surface fibration over P^1 of even index. This answers a question of Colliot-Thelene and Voisin, and provides new counterexamples to the Integral Hodge conjecture. This is joint work with Fumiaki Suzuki.