发表机构
Universität Münster(明斯特大学)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
该研究在对称性假设下,证明了Fukaya-Yamaguchi等人关于几乎非负曲率闭流形基本群的猜想。
AI 中文摘要
我们在对称性假设下,证明了Fukaya-Yamaguchi和Kapovitch-Petrunin-Tuschmann关于几乎非负曲率闭流形基本群的猜想。
英文摘要
We show that purely topological torus symmetries impose strong restrictions on the fundamental groups of almost non-negatively curved closed manifolds and on their actions on higher homotopy groups, even when the torus action is unrelated to the metric.
Comments16 pages; new in v4: presentation improved