Spherical orbits and representations of $U_{\epsilon }(\mathfrak{g})$

Nicoletta Cantarini, Giovanna Carnovale, Mauro Costantini

Let $U_{\epsilon }(\mathfrak{g})$ be the simply connected quantized enveloping algebra associated to a finite-dimensional complex simple Lie algebra $\mathfrak{g}$ at the roots of unity. The D…