同调配边中的纽结共Concordance
几何拓扑
2022-11-14 v2
摘要
令 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 到 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。
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