2 problems

Let $G$ be a reductive algebraic group with Lie algebra ${\mathfrak g}$ over a field of characteristic $p$, let $\chi\in{\mathfrak g}^{*}$, and let $U_\chi({\mathfrak g})$ be the r…

Let $K$) be an algebraically closed field of characteristic $p>2$, let $\mathfrak{g}=\mathfrak{g}_{\bar 0}\oplus\mathfrak{g}_{\bar 1}$ be a finite-dimensional restricted Lie supera…