Automorphisms of GKM graphs and regular semisimple Hessenberg varieties

Donghoon Jang, Shintarô Kuroki, Mikiya Masuda +2

A regular semisimple Hessenberg variety $\mathrm{Hess}(S,h)$ is a smooth subvariety of the full flag variety $\mathrm{Fl}({\mathbb{C}}^n)$ associated with a regular semisimple matrix…