On the Casson knot invariant
几何拓扑
2007-05-23 v1 量子代数
摘要
We study the Vassiliev knot invariant v_2 of degree 2. We present it via the degrees of maps of various configuration spaces related to a knot to products of spheres. This gives rise to numerous geometrical and combinatorial formulas for this invariant.
引用
@article{arxiv.math/9903158,
title = {On the Casson knot invariant},
author = {Michael Polyak and Oleg Viro},
journal= {arXiv preprint arXiv:math/9903158},
year = {2007}
}
备注
28 pages, many figures