Hodge-Riemann relations and Schur classes

Date/heure
16 septembre 2019
14:00 - 15:00

Oratrice ou orateur
Julius Ross

Catégorie d'évènement
Séminaire de géométrie complexe


Résumé

As is well known, Hodge Theory for projective manifolds has a number of topological consequences, particularly through the Hard-Lefschetz Theorem and the Hodge-Riemann bilinear relations. Classically this theory involves a positive cohomology class, for instance the first Chern class of an ample line bundle. In this talk I will discuss an extension of this package of ideas to Schur classes of ample vector bundles. I will also discuss various consequences, including a higher-rank version of the famous Khovanskii-Teissier inequalities and some applications to algebraic combinatorics. This work is joint with Matei Toma.