The extremal α-index of outerplanar and planar graphs

Zhangqing Yu, Liying Kang, Lele Liu and Erfang Shan

Applied Mathematics and Computation, 2019, vol. 343, issue C, 90-99

Abstract: Let G be a graph of order n with adjacency matrix A(G) and let D(G) be the diagonal matrix of the degrees of G. For any real α ∈ [0, 1], write Aα(G) for the matrix

Keywords: Convex combination of matrices; α-index; Planar graph; Outerplanar graph; Spectral extremal problem (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:343:y:2019:i:c:p:90-99

DOI: 10.1016/j.amc.2018.09.043

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