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Minimum general sum-connectivity index of unicyclic graphs

✍ Scribed by Zhibin Du; Bo Zhou; Nenad Trinajstić

Publisher
Springer
Year
2010
Tongue
English
Weight
121 KB
Volume
48
Category
Article
ISSN
0259-9791

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✍ Zhibin Du; Bo Zhou; Nenad Trinajstić 📂 Article 📅 2011 🏛 Elsevier Science 🌐 English ⚖ 226 KB

The general sum-connectivity index of a graph G is defined as , where d u denotes the degree of vertex u in G, E(G) denotes the edge set of G, and α is a real number. We determine the maximum value for the general sum-connectivity indices of n-vertex trees and the corresponding extremal trees for α