Centrally generated primitive ideals of $U(\mathfrak{n})$ for exceptional types

Mikhail V. Ignatyev, Aleksandr A. Shevchenko

Let $\mathfrak{g}$ be a complex semisimple Lie algebra, $\mathfrak{b}$ be a Borel subalgebra of $\mathfrak{g}$, $\mathfrak{n}$ be the nilradical of $\mathfrak{b}$, and $U(\mathfrak…