3 problems

Consider non-Gorenstein rational $3$-fold singularities whose minimal models have fibres of dimension at most one. A special MM generator is the proposed non-Gorenstein analogue of…

Let $R$ be a Gorenstein $3$-fold with only rational singularities. A basic MM generator is a basic maximal modifying generator in the relevant module category, and a minimal model…

Let $R$ be a $3$-dimensional Gorenstein normal normal domain over $\mathbb{C}$ with rational singularities, so $\mathop{\underline{\rm CM}}\nolimits R$ is a $2$-CY triangulated cat…