来自接触同调的纽结与辫子不变量 II(含与 Siddhartha Gadgil 合写的附录)
几何拓扑
2014-11-11 v3 辛几何
摘要
我们给出了零次纽结与辫子接触同调的拓扑解释,用绳 cord 与绞拧关系表示。这一解释使我们可以将纽结不变量推广到嵌入图与高维纽结。我们计算了双桥纽结的纽结不变量,并将其与一般纽结的双重分支覆盖相联系。在附录中,我们证明了绳环由纽结的基本群与周边结构决定,并给出了应用。
引用
@article{arxiv.math/0303343,
title = {Knot and braid invariants from contact homology II, with an appendix written jointly with Siddhartha Gadgil},
author = {Lenhard Ng},
journal= {arXiv preprint arXiv:math/0303343},
year = {2014}
}
备注
Published by Geometry and Topology at http://www.maths.warwick.ac.uk/gt/GTVol9/paper36.abs.html