2 papers
math.DG2025
Stability and rigidity results of space-like hypersurface in the Minkowski space
Jianhua Chen, Haiyun Deng, Haiqin Xie +1
In this paper, we establish some rigidity theorems for space-like hypersurfaces in Minkowski space by using a Weinberger-type approach with P-functions and integral identities. Fir…
math.FA2024
The Douglas question on the Bergman and Fock spaces
Jian-hua Chen, Qianrui Leng, Xianfeng Zhao
Let be a positive Borel measure and be the bounded Toeplitz operator induced by on the Bergman or Fock space. In this paper, we mainly investigate the invertibility o…