Ideals in Enveloping Algebras of Loop Algebras

Alexey V. Petukhov, Susan J. Sierra

Let $\mathfrak{g}$ be a finite-dimensional simple complex Lie algebra, and consider the loop algebra $L\mathfrak{g}=\mathfrak{g}[s,s^{-1}]$ and the affine Lie algebra $\widehat{\ma…