Homogeneous C21 Models

Wei-Guo Foo, Joel Merker, Pawel Nurowski +1

Fels-Kaup (Acta Mathematica 2008) classified homogeneous ${\mathfrak{C}}_{2,1}$ hypersurfaces $M^5\subset {\mathbb{C}}^3$ and discovered that they are all biholomorphic to tubes $S^2…