A Family of ${\mathrm{GL}}_r$ Multiplicative Higgs Bundles on Rational Base

Rouven Frassek, Vasily Pestun

In this paper we study a restricted family of holomorphic symplectic leaves in the Poisson-Lie group ${\mathrm{GL}}_r({\mathcal{K}}_{{\mathbb{P}}_x^1})$ with rational quadratic Sklyanin bra…