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.
Main Authors: | , , |
---|---|
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 |
_version_ | 1818007431017398272 |
---|---|
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. |
first_indexed | 2024-04-14T05:15:28Z |
format | Article |
id | doaj.art-6f477f41e4da427db9779a7c0924e029 |
institution | Directory Open Access Journal |
issn | 1450-9636 2466-5509 |
language | English |
last_indexed | 2024-04-14T05:15:28Z |
publishDate | 2015-01-01 |
publisher | University of Kragujevac, Faculty of Science |
record_format | Article |
series | Kragujevac Journal of Science |
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 |
work_keys_str_mv | AT aliyezolfi thetoptenvaluesofharmonicindexinchemicaltrees AT alirezaashrafi thetoptenvaluesofharmonicindexinchemicaltrees AT sirousmoradi thetoptenvaluesofharmonicindexinchemicaltrees AT aliyezolfi toptenvaluesofharmonicindexinchemicaltrees AT alirezaashrafi toptenvaluesofharmonicindexinchemicaltrees AT sirousmoradi toptenvaluesofharmonicindexinchemicaltrees |