非负曲率的几乎等距极大流形
微分几何
2023-11-28 v3
摘要
我们将 Escher 和 Searle 关于容许等距极大环面作用的闭、单连通、非负曲率黎曼 维流形的等变分类结果,推广到容许等距严格几乎等距极大环面作用的此类流形。特别地,我们证明此类流形等变微分同胚于一个三维及以上球面乘积的环面自由线性商。
引用
@article{arxiv.1811.01493,
title = {Almost Isotropy-Maximal Manifolds of Non-negative Curvature},
author = {Zheting Dong and Christine Escher and Catherine Searle},
journal= {arXiv preprint arXiv:1811.01493},
year = {2023}
}
备注
Section 3 rewritten to streamline arguments. Remark 1.1 from previous version is now Theorem B. To appear in Transactions of the AMS