Isomorphisms of Symplectic Torus Quotients

Hans-Christian Herbig, Gerald W. Schwarz, Christopher Seaton

We call a reductive complex group $G$ quasi-toral if $G^0$ is a torus. Let $G$ be quasi-toral and let $V$ be a faithful $1$-modular $G$-module. Let $N$ (the shell) be the zero fibe…