中文

高维球面光滑映射组的有界上同调

几何拓扑 2024-11-22 v1

摘要

本文证明了当 n4n\geq 41r1\leq r\leq \infty 时,Diff+r(Sn)\text{Diff}^r_+(S^n) 具有实系数的有界上同调为零。这解决了 \cite{FNS24} 中针对 4\geq 4 维球面提出的问题。

关键词

引用

@article{arxiv.2411.14059,
  title  = {Bounded cohomology of diffeomorphism groups of higher dimensional spheres},
  author = {Zixiang Zhou},
  journal= {arXiv preprint arXiv:2411.14059},
  year   = {2024}
}

备注

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