Cohomology for quantum groups via the geometry of the nullcone

Christopher P. Bendel, Daniel K. Nakano, Brian J. Parshall +1

Let $\zeta$ be a complex $\ell$th root of unity for an odd integer $\ell >1$. For any complex simple Lie algebra $\mathfrak{g}$, let $u_{\zeta }=u_{\zeta }(\mathfrak{g})$ be the associated "small" qu…