Chi-boundedness of graph classes excluding wheel vertex-minors

Hojin Choi, O-joung Kwon, Sang-il Oum +1

A class of graphs is $\chi$-bounded if there exists a function $f:\mathbb{N}\to \mathbb{N}$ such that for every graph $G$ in the class and an induced subgraph $H$ of $G$, if $H$…