Symmetric subcategories, tilting modules and derived recollements

Abstract

For any good tilting module $T$ over a ring $A$, there exists an $n$-symmetric subcategory $\mathcal{E}$ of a module category such that the derived category of the endomorphism ring of $T$ is a recollement of the derived categories of $\mathcal{E}$ and $A$ in the sense of Beilinson-Bernstein-Deligne. Thus the kernel of the total left-derived tensor functor induced by the tilting module is triangle equivalent to the derived category of $\mathcal{E}$.

23 pages