2 problems

Let $(X,\Delta)$ be a log resolution of a pair, and let $(\widetilde X,\widetilde\Delta)$ be its log canonical model. A divisor is relevant for jumping numbers if it contributes to…

Let $X$ be $\mathbb{Q}$-Gorenstein and let $\Delta\geq 0$ be a $\mathbb{Q}$-Cartier $\mathbb{Q}$-divisor. Discreteness and rationality conjecture. The set of real numbers $t>0$ suc…