Heller, Lynn; Heller, Sebastian; Ndiaye, Cheikh Birahim
(Dordrecht [u.a.] : Springer Science + Business Media B.V., 2021)
We show that the homogeneous and the 2-lobe Delaunay tori in the 3-sphere provide the only isothermic constrained Willmore tori in 3-space with Willmore energy below 8 π. In particular, every constrained Willmore torus ...