Birationality of moduli spaces of twisted $\mathrm{U}(p,q)$-Higgs bundles

Peter B. Gothen, Azizeh Nozad

A $\mathrm{U}(p,q)$-Higgs bundle on a Riemann surface (twisted by a line bundle) consists of a pair of holomorphic vector bundles, together with a pair of (twisted) maps between th…