Yeqin Liu : Cohomology of spherical vector bundles on K3 surfaces

Posted by Sixuan Lou , part of the Graduate Algebraic Geometry Seminar.

At

Oct. 10, 2022, 4 p.m.

In

427 SEO

Abstract

On K3 surfaces, spherical vector bundles are the ones without deformations. In this talk I introduce a way to compute their exact numbers of global sections by using Bridgeland stability. I will show many examples.