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On the best approximation algorithm by low-rank matrices in Chebyshev’s norm. (English. Russian original) Zbl 07547988

Comput. Math. Math. Phys. 62, No. 5, 701-718 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 5, 723-741 (2022).
MSC:  65-XX 15-XX
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Generating systems of the full matrix algebra that contain nonderogatory matrices. (English. Russian original) Zbl 07543067

J. Math. Sci., New York 262, No. 1, 99-107 (2022); translation from Zap. Nauchn. Semin. POMI 504, 157-171 (2021).
MSC:  15A30 15A20
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The lengths of matrix incidence algebras over small finite fields. (English. Russian original) Zbl 07543065

J. Math. Sci., New York 262, No. 1, 62-83 (2022); translation from Zap. Nauchn. Semin. POMI 504, 102-135 (2021).
MSC:  16S50 15A30 16P10
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Nonnegative chainable matrices and Kolmogorov’s condition. (English. Russian original) Zbl 07543059

J. Math. Sci., New York 262, No. 1, 1-10 (2022); translation from Zap. Nauchn. Semin. POMI 504, 5-20 (2021).
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