非紧超曲面在平均曲率流下的回避原理
微分几何
2026-01-22 v3
摘要
考虑一对光滑的、可能非紧的、适当浸入的超曲面在平均曲率流下运动,或者更一般地,考虑一对弱集流。我们证明,如果环境空间是欧几里得空间,并且两个曲面之间的初始距离非零,那么这两个曲面在所有后续时间都保持不相交。当环境空间是一个具有非零单射半径的完备黎曼流形,且(环境空间的)曲率张量及其所有导数有界时,我们证明了相同的结果。
引用
@article{arxiv.2401.13966,
title = {The Avoidance Principle for Noncompact Hypersurfaces Moving by Mean Curvature Flow},
author = {Brian White},
journal= {arXiv preprint arXiv:2401.13966},
year = {2026}
}
备注
20 pages. The newest version (March 24, 2024) corrects a few typos. The previous version (February 1, 2024) had some additions to the abstract and to the introduction