Some new categorical invariants

George Dimitrov, Ludmil Katzarkov

We introduce several notions and give examples. We prove that $\mathrm{Stab}(D^b(K(l)))\cong \mathbb{C}\times \mathcal{H}$ for $l\ge 3$, where $K(l)$ is $l$-Kronecker quiver. This is…