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Found 557 Documents (Results 1–100)

Sign regularity: Refinement of Gantmacher-Krein-Motzkin results on variation diminution and the linear preserver problem. arXiv:2307.11822

Preprint, arXiv:2307.11822 [math.RA] (2023).
MSC:  15B48 15A86 15A24
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Antidiagonal Operators, Antidiagonalization, Hollow Quasidiagonalization – Unitary, Orthogonal, Permutation, and Otherwise - and Symmetric Spectra. arXiv:2304.13842

Preprint, arXiv:2304.13842 [math.RA] (2023).
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