2 problems

Let $\mathfrak{g}$ be an affine Lie algebra with index set $I$, let $k\in I\setminus\{0\}$ be a Dynkin index, and let $\mathfrak{g}^L$ be the Langlands dual of $\mathfrak{g}$. A po…

Let $X\in\mathbb{R}^{M\times N}$ and let $\mathrm{UD}(\eta)$ denote the ultradiscretization of the mapping $\eta$ constructed from the divisor component and the ultradiscretized ma…