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Exact Formulae for Degree Distance Indices of Sum Graphs

The degree distance index (DDI) is a vertex-degree weighted version of a well-known index that is called by Wiener index (WI). In extremal theory of graphs, improving the bounds with best possible values is a worth investigating problem. In this note, the exact formulae of the DDI for the four diffe...

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Main Authors: Muhammad Javaid, Faiz Farid, Jia-Bao Liu, Abdulaziz Mohammed Alanazi
Formato: Artigo
Idioma:Inglês
Publicado em: Hindawi Limited 2022-01-01
Colecção:Journal of Mathematics
Acesso em linha:http://dx.doi.org/10.1155/2022/6193727
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