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恰有两个拉普拉斯特征值大于2的图的拉普拉斯谱刻画(英文)

Laplacian Spectral Characterization of Graphs with Exactly Two Laplacian Eigenvalues Greater than Two
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摘要 恰有两个拉普拉斯特征值大于2的所有连通图都是南拉普拉斯谱唯一确定的. In this paper, we prove that all connected graphs with exactly two Laplacian eigenvalues greater than two are determined by their Laplacian spectra.
作者 马小玲 文飞
出处 《新疆大学学报(自然科学版)》 CAS 北大核心 2016年第1期37-41,48,共6页 Journal of Xinjiang University(Natural Science Edition)
基金 supported by the National Natural Science Foundation of China(11261059,11361060) the Doctoral Scientific Research Fund of Xinjiang University(BS150205)
关键词 拉普拉斯谱 L-同谱图 两个拉普拉斯特征值大于2 拉普拉斯谱确定 Laplacian spectrum L-cospectral graph two Laplacian eigenvalues greater than two determined by theLaplacian spectrum
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