Linear convergence of the NQZ algorithm for finding the H-spectral radius of nonnegative tensors

Hongbin Lv and Meixiang Chen

PLOS ONE, 2026, vol. 21, issue 1, 1-15

Abstract: The R-linear convergence of the NQZ algorithm for computing the H-spectral radius of a class of weakly irreducible nonnegative tensors is established by utilizing the directed graphs of tensors. Meanwhile, an upper bound for the root convergence factor R is derived and a general condition ensuring the linear convergence of the NQZ algorithm is provided.

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0338496

DOI: 10.1371/journal.pone.0338496

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