On oriented graphs whose skew spectral radii do not exceed 2 |
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Authors: | Guang-Hui Xu Shi-Cai Gong |
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Institution: | School of Science, Zhejiang A & F University, Hangzhou, 311300, China |
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Abstract: | Let S(Gσ) be the skew adjacency matrix of the oriented graph Gσ of order n and λ1,λ2,…,λn be all eigenvalues of S(Gσ). The skew spectral radius ρs(Gσ) of Gσ is defined as max{|λ1|,|λ2|,…,|λn|}. In this paper, we investigate oriented graphs whose skew spectral radii do not exceed 2. |
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Keywords: | 05C20 05C31 15A18 |
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