BELL GRAPHS ARE DETERMINED BY THEIR LAPLACIAN SPECTRA

被引:0
作者
Abdian, Ali Zeydi [1 ]
机构
[1] Lorestan Univ, Coll Sci, Dept Math Sci, Khorramabad 41566, Lorestan, Iran
来源
KRAGUJEVAC JOURNAL OF MATHEMATICS | 2023年 / 47卷 / 02期
关键词
Bell graph; Laplacian spectrum; L-cospectral; cospectral graphs; spectral characterization; EIGENVALUE;
D O I
10.46793/KgJMat2302.203A
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
. A graph G is said to be determined by the spectrum of its Laplacian spectrum (DLS, for short) if every graph with the same spectrum is isomorphic to G. An infinity-graph is a graph consisting of two cycles with just a vertex in common. Consider the coalescence of an infinity-graph and the star graph K-1,K-s, with respect to their unique maximum degree. We call this a bell graph. In this paper, we aim to prove that all bell graphs are DLS.
引用
收藏
页码:203 / 211
页数:9
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