3 problems

Let $\mathcal{B}_{\mathbf{0}}^{+}$ be the slope subalgebra of the preprojective $K$-theoretic Hall algebra, and let $\mathfrak{n}_{Q}^{BPS}$ denote the positive half of the BPS Lie…

Let $Q$ be a quiver of symmetric Kac–Moody type. Let $\mathrm{KHA}^{\mathbb{C}^*}_{\Pi_Q}$ denote the preprojective K-theoretic Hall algebra of the preprojective algebra $\Pi_Q$, f…

Let $Q$ be a quiver, and let $(\widetilde{Q},\widetilde{W})$ be the associated tripled quiver with potential. Let $\mathfrak{g}_Q$ be the Lie algebra associated to $Q$ in the Okoun…