COMPOSITIONS OF COSPECTRALITY GRAPHS OF SMITH GRAPHS

被引:0
|
作者
Cvetkovic, Dragos M. [1 ]
Jerotijevic, Marija [2 ]
机构
[1] Math Inst SANU, Kneza Mihaila 36, Belgrade, Serbia
[2] Union Univ, Sch Comp, Kneza Mihaila 6-6, Belgrade, Serbia
来源
KRAGUJEVAC JOURNAL OF MATHEMATICS | 2023年 / 47卷 / 02期
关键词
Spectral graph theory; Smith graphs; cospectrality graphs;
D O I
10.46793/KgJMat2302.271C
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Graphs whose spectrum belongs to the interval [-2, 2] are called Smith graphs. Vertices of the cospectrality graph C(H) of a Smith graph H are all graphs cospectral with H with two vertices adjacent if there exists a certain transformation transforming one to another. We study how the cospectrality graph of the union of two Smith graphs can be composed starting from cospectrality graphs of starting graphs.
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页码:271 / 279
页数:9
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