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FANG Kun-fu, SHU Jin-long. Upper Bounds on the Spectral Radius of Digraphs[J]. Journal of East China Normal University (Natural Sciences), 2004, (4): 28-32.
Citation:
FANG Kun-fu, SHU Jin-long. Upper Bounds on the Spectral Radius of Digraphs[J]. Journal of East China Normal University (Natural Sciences), 2004, (4): 28-32.
FANG Kun-fu, SHU Jin-long. Upper Bounds on the Spectral Radius of Digraphs[J]. Journal of East China Normal University (Natural Sciences), 2004, (4): 28-32.
Citation:
FANG Kun-fu, SHU Jin-long. Upper Bounds on the Spectral Radius of Digraphs[J]. Journal of East China Normal University (Natural Sciences), 2004, (4): 28-32.
In this paper, using the matrix theory, we present a sharp upper bound on the spectral radius of digraphs in terms of the out-degree sequence. Meanwhile, we characterize the extremal digraphs which spectral radius reaches the upper bound.