A linear bound for the Colin de Verdière parameter $μ$ for graphs embedded on surfaces
Camille Lanuel, Francis Lazarus, Rudi Pendavingh·2023-03-01·via math.CO updates on arXiv.org
We provide a combinatorial and self-contained proof that for all graphs $G$ embedded on a surface $S$, the Colin de Verdière parameter $μ(G)$ is upper bounded by $7-2χ(S)$.