Isolation of regular graphs, stars and $k$-chromatic graphs

Peter Borg

Given a set $\mathcal{F}$ of graphs, we call a copy of a graph in $\mathcal{F}$ an $\mathcal{F}$-graph. The $\mathcal{F}$-isolation number of a graph $G$, denoted by $ι(G,\mathcal…