On a Conjecture Concerning the Complementary Second Zagreb Index

Hicham Saber, Tariq Alraqad, Akbar Ali +2

The complementary second Zagreb index of a graph $G$ is defined as $c{M}_2(G)={\sum }_{uv\in E(G)}|(d_u(G){)}^2-(d_v(G){)}^2|$, where $d_u(G)$ denotes the degree of a vertex $u$ in $G$ and…