中文

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 nn-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 nn,至多 kk 个交叉的 nn-平凡有理纽结的个数对任意 C<e2ln2C<\sqrt[2\ln 2]{e} 渐近地至少为 C(lnk)2C^{(\ln k)^2}

关键词

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