2015•Iranian journal of mathemathical chemistry./Iranian journal of mathemathical chemistryRequires access

A Note on Connectivity and lambda-Modified Wiener Index

Wei Dong Gao, Yun Gao

Abstract

In theoretical chemistry, -modified Wiener index is a graph invariant topological index to analyze the chemical properties of molecular structure. In this note, we determine the minimum -modified Wiener index of graph with fixed connectivity or edge-connectivity. Our results also present the sufficient and necessary condition for reaching the lower bound.

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Key concepts: Wiener index, Topological index, Connectivity, Mathematics, Graph, Index (typography), Combinatorics, Lambda