Counter examples to a conjecture concerning harmonic index

DOI10.1142/S1793557118500353zbMath1391.05137OpenAlexW2607205418WikidataQ123025277 ScholiaQ123025277MaRDI QIDQ4565135

Akbar Ali

Publication date: 8 June 2018

Published in: Asian-European Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1142/s1793557118500353

zbMATH Keywords

topological indexharmonic indexminimum vertex degree

Mathematics Subject Classification ID

Extremal problems in graph theory (05C35)

Related Items (3)

Graph products and eccentric harmonic index ⋮ On the \(n\)-vertex trees with sixth to fifteenth maximum harmonic indices ⋮ On a conjecture of the harmonic index and the minimum degree of graphs

Uses Software

• GRAFFITI

Cites Work

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• The harmonic index for graphs
• A lower bound for the harmonic index of a graph with minimum degree at least two
• A lower bound for the harmonic index of a graph with minimum degree at least three

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