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Found 6 Documents (Results 1–6)

The Riesz-Zygmund sums of Fourier-Chebyshev rational integral operators and their approximation properties. (English. Russian original) Zbl 07804697

Sib. Math. J. 65, No. 1, 118-138 (2024); translation from Sib. Mat. Zh. 65, No. 1, 140-163 (2024).
MSC:  41Axx 42Axx 34Exx
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Influence of the choice of Lagrange interpolation nodes on the exact and approximate values of the Lebesgue constants. (English. Russian original) Zbl 1323.41005

Sib. Math. J. 55, No. 6, 1144-1160 (2014); translation from Sib. Mat. Zh. 55, No. 6, 1404-1423 (2014).
MSC:  41A05
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Spaces of functions of generalized bounded variation. I.  Embedding theorems. Estimates for Lebesgue constants. (English. Russian original) Zbl 0944.46025

Sib. Math. J. 40, No. 5, 837-850 (1999); translation from Sib. Mat. Zh. 40, No. 5, 997-1011 (1999).
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