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Found 111 Documents (Results 1–100)

The left greatest common divisor and the left least common multiple for all solutions of the matrix equation \(BX = a\) over a commutative domain of elementary divisors. (English. Ukrainian original) Zbl 1475.15018

Ukr. Math. J. 73, No. 2, 303-310 (2021); translation from Ukr. Mat. Zh. 73, No. 2, 261-267 (2021).
MSC:  15A24
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Structural stability of matrix pencils and matrix pairs under contragredient equivalence. (English. Ukrainian original) Zbl 1439.15005

Ukr. Math. J. 71, No. 5, 808-811 (2019); translation from Ukr. Mat. Zh. 71, No. 5, 706-709 (2019).
MSC:  15A22 15A21 15A20
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Indecomposable and isomorphic objects in the category of monomial matrices over a local ring. (English. Ukrainian original) Zbl 1418.15025

Ukr. Math. J. 69, No. 7, 1034-1050 (2017); translation from Ukr. Mat. Zh. 69, No. 7, 889-904 (2017).
MSC:  15B33 13B10
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Existence and uniqueness of weighted pseudoinverse matrices and weighted normal pseudosolutions with singular weights. (English. Russian original) Zbl 1264.15007

Ukr. Math. J. 63, No. 1, 98-124 (2011); translation from Ukr. Mat. Zh. 63, No. 1, 80-101 (2011).
MSC:  15A09 65F20
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Calculation of orthogonal projections and the solution of the matrix algebraic Riccati equation. (English. Russian original) Zbl 0701.65030

Ukr. Math. J. 41, No. 1, 15-19 (1989); translation from Ukr. Mat. Zh. 41, No. 1, 19-23 (1989).
Reviewer: S.Schwabik
MSC:  65F30 65H10 65F15 15A24
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