Coloring invariants of spatial graphs
Geometric Topology
2019-10-29 v4
Abstract
We define the fundamental quandle of a spatial graph and several invariants derived from it. In the category of graph tangles, we define an invariant based on the walks in the graph and cocycles from nonabelian quandle cohomology.
Cite
@article{arxiv.0912.4053,
title = {Coloring invariants of spatial graphs},
author = {Maciej Niebrzydowski},
journal= {arXiv preprint arXiv:0912.4053},
year = {2019}
}
Comments
12 pages, 9 figures