Defines multiple digraph Laplacian matrices and proves spectral relations, a radius bound with equality case, and a determinantal identity linking regular digraphs to their line digraphs.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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math.CO 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
New upper bounds are established for the spectral radius and low energy of the A_alpha-matrix of digraphs, with equality characterizations and numerical evidence of sharpness over existing bounds.
citing papers explorer
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On the Spectra of Digraph Laplacians
Defines multiple digraph Laplacian matrices and proves spectral relations, a radius bound with equality case, and a determinantal identity linking regular digraphs to their line digraphs.
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New Bounds for the Spectral Radius and Low Energy of the $A_\alpha$-Matrix of Digraphs
New upper bounds are established for the spectral radius and low energy of the A_alpha-matrix of digraphs, with equality characterizations and numerical evidence of sharpness over existing bounds.