2 problems

Gelfand-Kirillov conjecture. For every $(t,c)\in\mathbb{C}^*\oplus {\sf C}$, there is an isomorphism between ${\sf Q}\#\Gamma$ and the Goldie ring of fractions of…

Let $\mathfrak{g}$ be an algebraic Lie algebra over an algebraically closed field $\Bbbk$ of characteristic zero, and let $U(\mathfrak{g})$ be its universal enveloping algebra. A W…