中文

同调配边中的纽结共Concordance

几何拓扑 2022-11-14 v2

摘要

C^Z\widehat{\mathcal{C}}_{\mathbb{Z}} 表示同调球面中纽结所构成的群,这些纽结边界为同调球,模去同调配边中的光滑共Concordance。作为对 Matsumoto 问题的回答,第二作者此前证明了从光滑纽结共Concordance群 C\mathcal{C}C^Z\widehat{\mathcal{C}}_{\mathbb{Z}} 的自然映射不是满射。利用 Heegaard Floer 同调的工具,我们证明了该映射的余核(可理解为非局部平坦的分片线性共Concordance群)是无限生成的,并且包含无限阶元素。

关键词

引用

@article{arxiv.1801.07770,
  title  = {Knot concordance in homology cobordisms},
  author = {Jennifer Hom and Adam Simon Levine and Tye Lidman},
  journal= {arXiv preprint arXiv:1801.07770},
  year   = {2022}
}

备注

38 pages, 11 figures; v2: Incorporates referee comments, including the addition of an appendix on smoothings of PL surfaces in 4-manifolds. This is the version to appear in Duke Math. J