Intersections of graphs and $\chi$-boundedness

Aristotelis Chaniotis, Hidde Koerts, Sophie Spirkl

Given $k$ graphs $G_1,\dots ,G_k$, their intersection is the graph $({\cap }_{i\in [k]}V(G_i),{\cap }_{i\in [k]}E(G_i))$. Given $k$ graph classes $\mathcal{G}_{1}, \ldots , \m…