On signed graphs with just two distinct Laplacian eigenvalues

Yaoping Hou, Zikai Tang and Dijian Wang

Applied Mathematics and Computation, 2019, vol. 351, issue C, 1-7

Abstract: We investigate signed graph whose Laplacian matrix has just two distinct eigenvalues. All simple connected signed graphs with maximum degree at most 4 and just two distinct Laplacian eigenvalues are characterized in this paper.

Keywords: Signed graph; Laplacian matrix; Adjacency matrix; Eigenvalues (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:351:y:2019:i:c:p:1-7

DOI: 10.1016/j.amc.2019.01.003

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