The universe inside Hall algebras of coherent sheaves on toric resolutions

Boris Tsvelikhovskiy

Let $\mathfrak{g}\ne {\mathfrak{so}}_8$ be a simple Lie algebra of type $A,D,E$ with $\hat{\mathfrak{g}}$ the corresponding affine Kac-Moody algebra and $\mathfrak{n}_-\subset \…