20.11.2025, 16:15
– Campus Golm, Haus 9, Raum 1.22
Forschungsseminar Differentialgeometrie
Codimension 2 transfer of signatures in L theory
Yuetong Luo (Göttingen)
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.