中文

高维群上同调的(非)消失

群论 2025-10-13 v4 代数拓扑 数论

摘要

Church-Farb-Putman 提出了关于 SLn(Z)\operatorname{SL}_n(\mathbb{Z})、曲面映射类群以及自由群自动群高维同调的稳定性与消失猜想。这篇文章是关于这些猜想及其一般化的当前状态的综述。

关键词

引用

@article{arxiv.2404.15026,
  title  = {(Non-)Vanishing of high-dimensional group cohomology},
  author = {Benjamin Brück},
  journal= {arXiv preprint arXiv:2404.15026},
  year   = {2025}
}

备注

18 pages, 5 figures; contribution to the proceedings of the conference Model theory and groups 2023; v2: updated references and corrected typos; v3: revision after referee report; v4: corrected a mistake in Figure 1