Vysakh Chakooth

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math.CO2026

Eccentric Connectivity Index of Cartesian product and Strong product of Strongly Connected Digraphs

Vysakh Chakooth, Prasanth G. Narasimha-Shenoi

Let $G = (V, E)$ be a graph. The \emph{eccentric connectivity index} of $G$ is defined as $ξ^{C} (G) = u \in V (G) \sum d_{u} ecc (u)$ where $d_{u}$ and $ecc (u)$ are the degree and eccentricity…

math.CO2025

Eccentric Connectivity Index of Strongly Connected Digraphs

Vysakh Chakooth, Prasanth G. Narasimha-Shenoi, Prakash G. Narasimha-Shenoi

Let $G = (V, E)$ be a graph with non-empty set of vertices $V$ and set of edges $E$ . The \emph{eccentric connectivity index} of the graph $G$ is defined as $$\displaystyle{ξ^C(G) =…