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Characterizations of the spectral radius of nonnegative weakly irreducible tensors via digraph

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arxiv 1507.07460 v1 pith:J3LXIUKU submitted 2015-07-27 math.CO math.SP

Characterizations of the spectral radius of nonnegative weakly irreducible tensors via digraph

classification math.CO math.SP
keywords radiusspectraltensorcharacterizationsdigraphirreduciblemathcalnonnegative
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abstract

For a nonnegative weakly irreducible tensor $\mathcal{A}$, we give some characterizations of the spectral radius of $\mathcal{A}$, by using the digraph of tensors. As applications, some bounds on the spectral radius of the adjacency tensor and the signless Laplacian tensor of the $k$-uniform hypergraphs are shown.

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