Rooted $C_5$-Minors

Xiying Du, Yanjia Li, Xingxing Yu

Let $G$ be a graph and $x_1,x_2,\dots ,x_k$ be distinct vertices of $G$. We say $(G,x_1{x}_2\dots x_k)$ has a $C_k$-minor or $G$ has a $C_k$-minor rooted at $x_1{x}_2\dots x_k$, i…