Jingjing Su — Neckpinchhttps://neckpinch.com/authors/jingjing-su/New arXiv papers by Jingjing Su, from Neckpinch Tue, 10 Nov 2026 04:10:28 GMT Surfaces pinched by normal curvature for mean curvature flow in space formshttps://neckpinch.com/papers/2004.14258/arxiv:2004.14258Wed, 29 Apr 2020 00:00:00 GMTDong Pu, Jingjing Su, Hongwei Xu — In this paper, we investigate the mean curvature flow of compact surfaces in 4-dimensional space forms. We prove the convergence theorems for the mean curvature flow under certain pinching conditions involving the normal curvature, which generalise Baker-Nguyen's convergence theorem.Mean curvature flowCurvature pinchingSphere theorems