2 problems

Let $K=\mathbb{C}$ and let $\Pi=\Pi(C,D)$. Define the support of a constructible function $f\colon \operatorname{nil}_E(\Pi,d)\to\mathbb{C}$ by … Let…

Let $C$ be a symmetrizable generalized Cartan matrix, let $D$ be a symmetrizer of $C$, and let $H=H(C,D,\Omega)$, $\mathcal{M}=\mathcal{M}(H)$, and $\mathfrak{n}=\mathfrak{n}(C)$ b…