Drinfeld type presentations of loop algebras

Fulin Chen, Naihuan Jing, Fei Kong +1

Let $\mathfrak{g}$ be the derived subalgebra of a Kac-Moody Lie algebra of finite type or affine type, $\mu$ a diagram automorphism of $\mathfrak{g}$ and $L(\mathfrak{g},\mu )$ the loop…