2 papers
math.DG2026
Weighted normalized curve shortening flow with applications in pseudo-Euclidean spaces
Baichuan Hu, Xiang Ma
The focus of this paper is the curve shortening flow for closed spacelike curves in pseudo-Euclidean spaces, which has very few results so far. Will they produce singularities wher…
math.DG2022
Can One Perturb the Equatorial Zone on a Sphere with Larger Mean Curvature?
Baichuan Hu, Xiang Ma, Shengyang Wang
We consider the mean curvature rigidity problem of an equatorial zone on a sphere which is symmetric about the equator with width . There are two different notions on rigidity,…