Spectral characterizations of sandglass
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Pengli Lu; Xiaogang Liu; Zhanting Yuan; Xuerong Yong
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Article
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2009
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Elsevier Science
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English
โ 633 KB
The sandglass graph is obtained by appending a triangle to each pendant vertex of a path. It is proved that sandglass graphs are determined by their adjacency spectra as well as their Laplacian spectra.