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Bibliographic Details
Main Authors: Kulkarni, Ayush, Colley, Charles, Gleich, David F.
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2508.19902
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Table of Contents:
  • We illustrate a counterexample to an open question related to the dominant H-eigenvector of a Kronecker product of tensors. For matrices and Z-eigenvectors of tensors, the dominant eigenvector of a Kronecker product decouples into a product of eigenvectors of the tensors underlying the Kronecker product. This does not occur for H-eigenvectors and indeed, the largest H-eigenvalue can exceed the product of the H-eigenvalues of the component tensors. Beyond this general counterexample, we show this decoupling does hold in the case of diagonal tensors as well as nonnegative tensors.