Wonderful Compactification of a Cartan Subalgebra of a Semisimple Lie Algebra

Sam Evens, Yu Li

Let $\mathfrak{h}$ be a Cartan subalgebra of a complex semisimple Lie algebra $\mathfrak{g}.$ We define a compactification $\bar{\mathfrak{h}}$ of $\mathfrak{h}$, which is analogous t…