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Found 505 Documents (Results 1–100)

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Square roots of Hermitian matrices and a rational algorithm for checking their congruence. (English. Russian original) Zbl 1428.15036

Mosc. Univ. Comput. Math. Cybern. 43, No. 3, 95-100 (2019); translation from Vestn. Mosk. Univ., Ser. XV 2019, No. 3, 11-16 (2019).
MSC:  15B57 15A21 15A16
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A finite rational algorithm that verifies the diagonalizability of a square matrix by congruence. (English. Russian original) Zbl 1347.65077

Mosc. Univ. Comput. Math. Cybern. 40, No. 2, 53-56 (2016); translation from Vestn. Mosk. Univ., Ser. XV 2016, No. 2, 3-5 (2016).
MSC:  65F30 15A21
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Semiscalar equivalence and quasi-diagonal similarity of matrices. (Ukrainian, English) Zbl 1363.15019

Mat. Metody Fiz.-Mekh. Polya 58, No. 4, 15-26 (2015); translation in J. Math. Sci., New York 228, No. 1, 11-25 (2018).
MSC:  15A21 15A24 15A54
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Unitary similarity automorphisms of the space of \(3 \times 3\) Toeplitz-plus-Hankel matrices. (English. Russian original) Zbl 1332.15029

J. Math. Sci., New York 207, No. 5, 756-766 (2015); translation from Zap. Nauchn. Semin. POMI 428, 137-151 (2014).
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Factorization of matrix polynomials. (Розклад матричних многочленів на множники.) (Ukrainian. English summary) Zbl 1338.15033

L’viv: Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of the NAS of Ukraine (ISBN 978-966-02-7655-0). 282 p. (2015).
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Linear algebra and matrices. Topics for a second course. (English) Zbl 1334.15002

Pure and Applied Undergraduate Texts 24. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-1852-6/hbk). xv, 317 p. (2015).
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Centrosymmetric property of unitary matrices that preserve the set of \((T+H)\)-matrices under similarity transformations. (English. Russian original) Zbl 1318.15013

Comput. Math. Math. Phys. 55, No. 5, 731-733 (2015); translation from Zh. Vychisl. Mat. Mat. Fiz. 55, No. 5, 739-741 (2015).
MSC:  15A86 15A21 15B05
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