$S{L}_2$-action on Hilbert schemes and Calogero-Moser spaces

Gwyn Bellamy, Victor Ginzburg

We study the natural $G{L}_2$-action on the Hilbert scheme of points in the plane, resp. $S{L}_2$-action on the Calogero-Moser space. We describe the closure of the $G{L}_2$-orbit, resp.…