2 problems

Let $\mathfrak{g}$ be an untwisted affine Kac–Moody Lie algebra, let $\delta$ be its null root, and let $\lambda\in\mathcal{P}^+$ be a dominant integral weight of positive level. F…

Lattice-point conjecture. If $G$ is of type $E_6$, $E_7$, or $E_8$, then