The top ten values of harmonic index in chemical trees

Let G be an n-vertex graph with degree sequence d1, d2, …, dn. The harmonic index H(G) is defined as n/I(G)= Σ n i= 1(l/di)., In this paper the top ten values of harmonic index in the set of all chemical trees of order n are determined.

Bibliographic Details
Main Authors: Aliye Zolfi, Ali Reza Ashrafi, Sirous Moradi
Format: Article
Language:English
Published: University of Kragujevac, Faculty of Science 2015-01-01
Series:Kragujevac Journal of Science
Subjects:
Online Access:http://scindeks-clanci.ceon.rs/data/pdf/1450-9636/2015/1450-96361537091A.pdf
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author Aliye Zolfi
Ali Reza Ashrafi
Sirous Moradi
author_facet Aliye Zolfi
Ali Reza Ashrafi
Sirous Moradi
author_sort Aliye Zolfi
collection DOAJ
description Let G be an n-vertex graph with degree sequence d1, d2, …, dn. The harmonic index H(G) is defined as n/I(G)= Σ n i= 1(l/di)., In this paper the top ten values of harmonic index in the set of all chemical trees of order n are determined.
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spelling doaj.art-6f477f41e4da427db9779a7c0924e0292022-12-22T02:10:23ZengUniversity of Kragujevac, Faculty of ScienceKragujevac Journal of Science1450-96362466-55092015-01-01201537919810.5937/KgJSci1537091A1450-96361537091AThe top ten values of harmonic index in chemical treesAliye Zolfi0Ali Reza Ashrafi1Sirous Moradi2Department of Mathematics, Faculty of Mathematical Sciences, University of Kashan, Kashan, I.R. IranDepartment of Mathematics, Faculty of Mathematical Sciences, University of Kashan, Kashan, I.R. IranDepartment of Mathematics, Arak University, Arak, I.R. IranLet G be an n-vertex graph with degree sequence d1, d2, …, dn. The harmonic index H(G) is defined as n/I(G)= Σ n i= 1(l/di)., In this paper the top ten values of harmonic index in the set of all chemical trees of order n are determined.http://scindeks-clanci.ceon.rs/data/pdf/1450-9636/2015/1450-96361537091A.pdfHarmonic indexchemical tree
spellingShingle Aliye Zolfi
Ali Reza Ashrafi
Sirous Moradi
The top ten values of harmonic index in chemical trees
Kragujevac Journal of Science
Harmonic index
chemical tree
title The top ten values of harmonic index in chemical trees
title_full The top ten values of harmonic index in chemical trees
title_fullStr The top ten values of harmonic index in chemical trees
title_full_unstemmed The top ten values of harmonic index in chemical trees
title_short The top ten values of harmonic index in chemical trees
title_sort top ten values of harmonic index in chemical trees
topic Harmonic index
chemical tree
url http://scindeks-clanci.ceon.rs/data/pdf/1450-9636/2015/1450-96361537091A.pdf
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