Region crossing change on planar trivalent graphs
Geometric Topology
2025-09-03 v2 Combinatorics
Abstract
In this short note, we investigate the effect of region crossing change on planar trivalent graphs.
Cite
@article{arxiv.2205.14645,
title = {Region crossing change on planar trivalent graphs},
author = {Zhiyun Cheng},
journal= {arXiv preprint arXiv:2205.14645},
year = {2025}
}
Comments
Section 4 has been rewritten. A necessary and sufficient condition for a triangulation of the 2-sphere with exactly two odd vertices is given