Region crossing change on spatial theta-curves
Geometric Topology
2019-10-29 v1
Abstract
A region crossing change at a region of a spatial-graph diagram is a transformation changing every crossing on the boundary of the region. In this paper, it is shown that every spatial graph consisting of theta-curves can be unknotted by region crossing changes.
Cite
@article{arxiv.1910.12183,
title = {Region crossing change on spatial theta-curves},
author = {Ayaka Shimizu and Rinno Takahashi},
journal= {arXiv preprint arXiv:1910.12183},
year = {2019}
}
Comments
13 pages, 12 figures