A tight Erdős-Pósa function for wheel minors

Pierre Aboulker, Samuel Fiorini, Tony Huynh +3

Let $W_t$ denote the wheel on $t+1$ vertices. We prove that for every integer $t\ge 3$ there is a constant $c=c(t)$ such that for every integer $k\ge 1$ and every graph $G$, eit…