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Found 48 Documents (Results 1–48)

On a connection of Bernstein and Kantorovich polynomials for a symmetric modulus function. (English. Russian original) Zbl 1528.30010

Sib. Math. J. 64, No. 3, 747-756 (2023); translation from Vladikavkaz. Mat. Zh. 24, No. 1, 87-99 (2022).
MSC:  30E10 33C47
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Formulas for calculating the \(3j\)-symbols of the representations of the Lie algebra \({\mathfrak{gl}}_3\) for the Gelfand-Tsetlin bases. (English. Russian original) Zbl 1503.17015

Sib. Math. J. 63, No. 4, 595-610 (2022); translation from Sib. Mat. Zh. 63, No. 4, 717-735 (2022).
MSC:  17B10 33C45
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Approximation properties of the Vallée-Poussin means similar to the partial sums of Fourier series in Laguerre-Sobolev polynomials. (English. Russian original) Zbl 1490.42007

Sib. Math. J. 63, No. 3, 451-465 (2022); translation from Sib. Mat. Zh. 63, No. 3, 545-561 (2022).
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On existence of a universal function for \(L^p[0, 1]\) with \(p\in(0, 1)\). (English. Russian original) Zbl 1361.42028

Sib. Math. J. 57, No. 5, 796-808 (2016); translation from Sib. Mat. Zh. 57, No. 5, 1021-1035 (2016).
MSC:  42C10
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Behavior of the Fourier-Walsh coefficients of a corrected function. (English. Russian original) Zbl 1362.42056

Sib. Math. J. 57, No. 3, 505-512 (2016); translation from Sib. Mat. Zh. 57, No. 3, 641-649 (2016).
MSC:  42C10 43A75
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On linear summability methods of Fourier series in polynomials orthogonal in a discrete Sobolev space. (English. Russian original) Zbl 1333.42050

Sib. Math. J. 56, No. 2, 339-351 (2015); translation from Sib. Mat. Zh. 56, No. 2, 420-435 (2015).
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