Sombor index of clean graphs

M. Badie, R. Nikandish, M. Pirniia

Let $G=(V,E)$ be a graph with the vertex set $V(G)$ and edge set $E(G)$. The Sombor index of $G$, $SO(G)$, is defined as ${\sum }_{uv\in E(G)}\sqrt{deg(u{)}^2+deg(v{)}^2}$, where $…