The Fan Graph is Determined by its Signless Laplacian Spectrum

被引：4

作者：

Liu, Muhuo ^{[1
,2
]}

Yuan, Yuan ^{[3
]}

Das, Kinkar Chandra ^{[4
]}

机构：

[1] South China Agr Univ, Dept Math, 483 Wushan Rd, Guangzhou 510642, Peoples R China

[2] Shenzhen Univ, Coll Math & Stat, 3688 Nanhai Blvd, Shenzhen 518060, Peoples R China

[3] Hainan Univ, Sch Sci, 58 Renmin Ave, Haikou 570228, Hainan, Peoples R China

[4] Sungkyunkwan Univ, Dept Math, Seobu-Ro 2066, Suwon 16419, South Korea

来源：

CZECHOSLOVAK MATHEMATICAL JOURNAL | 2020年 / 70卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

signless Laplacian spectrum; join graph; graph determined by its spectrum;

D O I：

10.21136/CMJ.2019.0159-18

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Given a graph G, if there is no nonisomorphic graph H such that G and H have the same signless Laplacian spectra, then we say that G is Q-DS. In this paper we show that every fan graph F-n is Q-DS, where F-n = K-1 proves Pn-1 and n >= 3.

引用

页码：21 / 31

页数：11