30.04.2026, 16:15 Uhr
– Raum 0.17, Haus 9
Forschungsseminar Differentialgeometrie
Curvature Inequalities and Rigidity for CMC and STCMC Surfaces
Alejandro Penuela Diaz (Potsdam)
Rudolf Zeidler
We will first revisit Witten’s spinorial proof of the Riemannian positive mass theorem. Then we discuss a recent alternative proof using a scalar- and mean curvature comparison principle. The latter is based on joint work with S. Cecchini and S. Hirsch.