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Tensor Unfolding Characterization

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arxiv 2311.14913 v1 pith:MRHJOLMR submitted 2023-11-25 math.RA

Tensor Unfolding Characterization

classification math.RA
keywords matricestensorunfoldedunfoldingequivalencematrixrealmstensors
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Tensors play a pivotal role in the realms of science and engineering, particularly in the realms of data analysis, machine learning, and computational mathematics. The process of unfolding a tensor into matrices, commonly known as tensor unfolding or matricization, serves as a valuable technique for simplifying the representation of tensors with higher orders. In this study, we initially derive unfolded matrices from a specified tensor over a B{'e}zout ring using a matrix equivalence relation. We proceed to elucidate the relationships between eigenvalues and eigenvectors within these unfolded matrices. Additionally, we employ the localization approach outlined by Gerstein to ascertain the count of distinct matrix equivalence classes present among the unfolded matrices.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Higher Degree $t$-Hermitian Forms and Positivity-Preserving Contractions

    math.SP 2026-02 reject novelty 4.0

    The paper proposes higher-degree t-Hermitian forms with an FFT-based spectral theory, but the core conjugation identity is inconsistent, so the central claims fail as stated.