Ricci 曲率与Betti数较大的最小超曲面
微分几何
2026-04-01 v2 几何拓扑
摘要
在维数时,我们构造一序列闭合的维黎曼流形,具有正Ricci曲率,容纳嵌入的双侧最小超曲面,且满足以下条件:(i) 任何此类超曲面的Morse指数均为1;(ii) 超曲面的第一Betti数在该序列中未统一受限。
引用
@article{arxiv.2507.17305,
title = {Ricci curvature and minimal hypersurfaces with large Betti numbers},
author = {Davi Maximo and Philipp Reiser and Daniele Semola},
journal= {arXiv preprint arXiv:2507.17305},
year = {2026}
}
备注
20 pages, minor changes in the main part, added appendix on deformations of invariant metrics of non-negative Ricci curvature, final version