Subdivision-free graphs with the maximum spectral radius

Wanting Sun, Guanghui Wang, Pingchuan Yang

Given a graph family $\mathbb{H}$, let $\mathrm{SPEX}(n,{\mathbb{H}}_{\mathrm{sub}})$ denote the set of $n$-vertex $\mathbb{H}$-subdivision-free graphs with the maximum spectral radius. In t…