On the Maximum Atom-Bond Sum-Connectivity Index of Graphs

Tariq Alraqad, Hisham Saber, Akbar Ali +1

The atom-bond sum-connectivity (ABS) index of a graph $G$ with edges $e_1,\cdots ,e_m$ is the sum of the numbers $\sqrt{1-2(d_{e_i}+2{)}^{-1}}$ over $1\le i\le m$, where $d_{e_i}$ is…