Geodesic
Eccentric distance sum index for some classes of connected graphs
Annales Universitatis Mariae Curie-Skłodowska. Mathematica , Tome 71 (2017) no. 2.

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In this paper we show some properties of the eccentric distance sum index which is defined as follows ξ^d(G)=∑_v ∈ V(G)D(v) ε(v). This index is widely used by chemists and biologists in their researches. We present a lower bound of this index for a new class of graphs.
Keywords: Adjacent eccentric distance sum, diameter, distance, eccentricity, radius, Wiener index 
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Bielak, Halina; Broniszewska, Katarzyna. Eccentric distance sum index for some classes of connected graphs. Annales Universitatis Mariae Curie-Skłodowska. Mathematica , Tome 71 (2017) no. 2. http://geodesic.mathdoc.fr/item/AUM_2017_71_2_a1/

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