On the Co-PI and Laplacian Co-PI eigenvalues of a graph

Guifu Su; Liming Xiong; Lan Xu

doi:10.1016/j.dam.2012.08.019

On the Co-PI and Laplacian Co-PI eigenvalues of a graph

Guifu Su^*
, Liming Xiong
, Lan Xu

^*此作品的通讯作者

数学学院

Beijing Institute of Technology
Changji University
Jiangxi Normal University
Qinhai University for Nationalities

科研成果: 期刊稿件 › 文章 › 同行评审

4 引用（Scopus）

摘要

In this paper we present an equivalent definition of Co-PI index and then determine the eigenvalues of Co-PI matrices and their Laplacians of Cartesian product graphs, including bounds on the second and third Co-PI spectral moment of a graph. The explicit formulae for the Co-PI index of Cartesian product graphs are also presented.

源语言	英语
页（从-至）	277-283
页数	7
期刊	Discrete Applied Mathematics
卷	161
期	1-2
DOI	https://doi.org/10.1016/j.dam.2012.08.019
出版状态	已出版 - 1月 2013

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10.1016/j.dam.2012.08.019

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abstract = "In this paper we present an equivalent definition of Co-PI index and then determine the eigenvalues of Co-PI matrices and their Laplacians of Cartesian product graphs, including bounds on the second and third Co-PI spectral moment of a graph. The explicit formulae for the Co-PI index of Cartesian product graphs are also presented.",

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author = "Guifu Su and Liming Xiong and Lan Xu",

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AU - Xiong, Liming

AU - Xu, Lan

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N2 - In this paper we present an equivalent definition of Co-PI index and then determine the eigenvalues of Co-PI matrices and their Laplacians of Cartesian product graphs, including bounds on the second and third Co-PI spectral moment of a graph. The explicit formulae for the Co-PI index of Cartesian product graphs are also presented.

AB - In this paper we present an equivalent definition of Co-PI index and then determine the eigenvalues of Co-PI matrices and their Laplacians of Cartesian product graphs, including bounds on the second and third Co-PI spectral moment of a graph. The explicit formulae for the Co-PI index of Cartesian product graphs are also presented.

KW - Co-PI Laplacian matrix

KW - Co-PI eigenvalue

KW - Co-PI index

KW - Co-PI matrix

KW - Laplacian Co-PI eigenvalue

KW - Laplacian matrix

UR - https://www.scopus.com/pages/publications/84869082336

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DO - 10.1016/j.dam.2012.08.019

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JO - Discrete Applied Mathematics

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ER -

On the Co-PI and Laplacian Co-PI eigenvalues of a graph

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