The largest Laplacian and adjacency indices of complete caterpillars of fixed diameter

A complete caterpillar is a caterpillar in which each internal vertex is a quasi-pendent vertex. In this paper, in the class of all complete caterpillars on n vertices and diameter d, the caterpillar attaining the largest Laplacian index is determined. In addition, it is proved that this caterpillar...

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Autores principales: Abreu,Nair, Lenes,Eber, Rojo,Oscar
Lenguaje:English
Publicado: Universidad Católica del Norte, Departamento de Matemáticas 2015
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172015000200006
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spelling oai:scielo:S0716-091720150002000062015-10-20The largest Laplacian and adjacency indices of complete caterpillars of fixed diameterAbreu,NairLenes,EberRojo,Oscar Caterpillar Laplacian matrix Laplacian index adjacency matrix index spectral radius A complete caterpillar is a caterpillar in which each internal vertex is a quasi-pendent vertex. In this paper, in the class of all complete caterpillars on n vertices and diameter d, the caterpillar attaining the largest Laplacian index is determined. In addition, it is proved that this caterpillar also attains the largest adjacency index.info:eu-repo/semantics/openAccessUniversidad Católica del Norte, Departamento de MatemáticasProyecciones (Antofagasta) v.34 n.2 20152015-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172015000200006en10.4067/S0716-09172015000200006
institution Scielo Chile
collection Scielo Chile
language English
topic Caterpillar
Laplacian matrix
Laplacian index
adjacency matrix
index
spectral radius
spellingShingle Caterpillar
Laplacian matrix
Laplacian index
adjacency matrix
index
spectral radius
Abreu,Nair
Lenes,Eber
Rojo,Oscar
The largest Laplacian and adjacency indices of complete caterpillars of fixed diameter
description A complete caterpillar is a caterpillar in which each internal vertex is a quasi-pendent vertex. In this paper, in the class of all complete caterpillars on n vertices and diameter d, the caterpillar attaining the largest Laplacian index is determined. In addition, it is proved that this caterpillar also attains the largest adjacency index.
author Abreu,Nair
Lenes,Eber
Rojo,Oscar
author_facet Abreu,Nair
Lenes,Eber
Rojo,Oscar
author_sort Abreu,Nair
title The largest Laplacian and adjacency indices of complete caterpillars of fixed diameter
title_short The largest Laplacian and adjacency indices of complete caterpillars of fixed diameter
title_full The largest Laplacian and adjacency indices of complete caterpillars of fixed diameter
title_fullStr The largest Laplacian and adjacency indices of complete caterpillars of fixed diameter
title_full_unstemmed The largest Laplacian and adjacency indices of complete caterpillars of fixed diameter
title_sort largest laplacian and adjacency indices of complete caterpillars of fixed diameter
publisher Universidad Católica del Norte, Departamento de Matemáticas
publishDate 2015
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172015000200006
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