Vassiliev 不变量与解结数为一的有理纽结
几何拓扑
2007-05-23 v4
摘要
引入一种利用 -平凡有理缠结修改纽结的方法,我们证明具有有界次数的给定 Vassiliev 不变量值的纽结可具有任意解结数(推广了 Ohyama、Taniyama 和 Yamada 近期的结果)。对 4-亏格与二重点分支覆盖的同调群的有限约化也得到同样结果。对有理纽结作了更细致的考察,其中证明了对任意 ,至多 个交叉的 -平凡有理纽结的个数对任意 渐近地至少为 。
引用
@article{arxiv.math/9909050,
title = {Vassiliev invariants and rational knots of unknotting number one},
author = {A. Stoimenow},
journal= {arXiv preprint arXiv:math/9909050},
year = {2007}
}
备注
13 pages, 2 figures; revision 26 Nov 99: added reference [OTY], discussion of signatures, branched cover homology and 4-genera, more problems; revision 7 Sep 01: Theorem 1.2 slightly improved, a few other minor structural changes; revision 20 Dec 01: final version, Theorem 1.2 improved, 2 sections removed