3 dec 2015 -- 14:00
Aula 211, Dip. Matematica, Università "Roma Tre", Roma
Abstract.
I will explain the following result obtained recently with Andreas Horing. Let $X$ be a Fano manifold. If $-K_X \cdot C \geq \dim X$ for every rational curve $C$ in $X$, then $X$ is a projective space or a quadric.