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检索条件"主题词=cospectral graphs"
5 条 记 录,以下是1-10 订阅
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Laplacian Spectra Characterization of Some Special θ-graphs
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Journal of Donghua University(English Edition) 2011年 第1期28卷 18-22页
作者: 孟瑶 王远飞 林源清 束金龙 Department of Mathematics East China Normal University Key Laboratory of Geographic Information Science Ministry of EducationEast China Normal University
A graph G is said to be determined by its Laplacian spectrum if any graph having the same Laplacian spectrum as G is isomorphic to *** consider θ-graphs,that is,graphs obtained by subdividing the edges of the multigr... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
The Normalized Laplacian Spectrum of Subdivision Vertex-Edge Corona for graphs
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Journal of Mathematical Research with Applications 2019年 第3期39卷 221-232页
作者: Muchun LI You ZHANG Fei WEN Institute of Applied Mathematics Lanzhou Jiaotong University
A subdivision vertex-edge corona G;?(∪ G;) is a graph that consists of S(G;),|V(G;)| copies of G;and |I(G;)| copies of G;by joining the i-th vertex in V(G;) to each vertex in the i-th copy of G;and i-th ver... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
On the Spectral Properties of graphs with Rank 4
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Applied Mathematics 2023年 第11期14卷 748-763页
作者: Jianxuan Luo School of Mathematics and Statistics Qinghai Minzu University Xining China
Let G be a graph and A(G) the adjacency matrix of G. The spectrum of G is the eigenvalues together with their multiplicities of A(G). Chang et al. (2011) characterized the structures of all graphs with rank 4. Monsalv... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Spectral Characterization of the Edge-Deleted Subgraphs of Complete Graph
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Journal of Mathematical Research and Exposition 2010年 第5期30卷 833-840页
作者: Ting Zeng WU Sheng Biao HU Department of Mathematics Qinghai Nationalities University Qinghai 810007 P. R. China
In this paper, we show that some edges-deleted subgraphs of complete graph are determined by their spectrum with respect to the adjacency matrix as well as the Laplacian matrix.
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
On the Laplacian spectral characterization of some unicyclic graphs
On the Laplacian spectral characterization of some unicyclic...
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2011 World Congress on Engineering and Technology(CET 2011)
作者: Shengbiao Hu Department of Mathematics Qinghai Nationalities University Xining 810007 P.R.China
A graph G is said to be determined by its Laplacian spectrum if any graph having the same spectrum as G is isomorphic to G.A graph is called unicyclic if its the number of edges equals the number of *** this paper,we ... 详细信息
来源: cnki会议 评论