## Singular moduli spaces and Nakajima quiver varieties

Giulia Saccà

Member, School of Mathematics

October 28, 2014

The aim of this talk is to study a class of singularities of moduli spaces of sheaves on K3 surfaces by means of Nakajima quiver varieties. The singularities in question arise from the choice of a non generic polarization, with respect to which we consider stability, and admit natural symplectic resolutions corresponding to choices of general polarizations.