弱不可约非负张量 H-谱半径的算法
Algorithm for Computing the H-Spectral Radius of Weakly Irreducible Nonnegative Tensors
给出非负张量 H-谱半径的一个幂型算法,并利用张量的有向图证明该算法是 R-线性收敛的,进而得到算法线性收敛的一般条件.结果表明,该算法适用于所有弱不可约非负张量 H-谱半径的计算,与 NQZ算法适用于弱本原张量比较适用范围更广.
A power-type iterative algorithm is proposed for computing the H-spectral radius of nonnegative tensors. By utilizing the directed graph associated with the tensor, the R-linear convergence of the algorithm is established, and sufficient conditions for linear convergence are further derived. The proposed algorithm is applicable to all weakly irreducible nonnegative tensors. Compared with the NQZ algorithm, which is designed for weakly primitive tensors, the proposed method has a broader range of applicability.
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国家自然科学基金(62372256)
福建省自然科学基金(2026J0011063)
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