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Spectral characterizations of sandglass graphs

Applied Mathematics Letters (2009) 22(8) 1225-1230
DOI: 10.1016/j.aml.2009.01.050
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Abstract

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. © 2009 Elsevier Ltd. All rights reserved.

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Lu, P., Liu, X., Yuan, Z., & Yong, X. (2009). Spectral characterizations of sandglass graphs. Applied Mathematics Letters, 22(8), 1225–1230. https://doi.org/10.1016/j.aml.2009.01.050

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