Extremal conjugated unicyclic and bicyclic graphs with respect to total-eccentricity index

Mehar Ali Malik, Rashid Farooq

Let $G$ be a molecular graph. The total-eccentricity index of graph $G$ is defined as the sum of eccentricities of all vertices of $G$. %In [R. Farooq, M.A. Malik, J. Rada, Extrema…