Speaker：Guofang Wang (Universität Freiburg)

Time：2025-4-3, 9:00

Location：Conference Room S106 at Experiment Building at Haiyun Campus

Abstract:

We first recall the $\sigms_k$ Yamabe problem and study it in a larger cone. The corresponding Sobolev inequality holds then in the larger cone. We also prove a new type Sobolev inequality and consider a new type Yamabe problem involving $Q$-curvatures, which leads to many open problems. The talk is based  on  joint work with Yuxin Ge and Wei Wei.