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Found 4,371 Documents (Results 1–100)

On the best polynomial approximation in Hardy space. (English. Russian original) Zbl 07712849

Russ. Math. 66, No. 11, 97-109 (2022); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 11, 110-123 (2022).
MSC:  41A10 41A50 41A28
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Kolyada inequality between mixed moduli of smoothness in metrics \(L_p\) and \(L_{\infty} \). (English. Russian original) Zbl 1504.42002

Mosc. Univ. Math. Bull. 77, No. 4, 161-175 (2022); translation from Vestn. Mosk. Univ., Ser. I 77, No. 4, 3-15 (2022).
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Chebyshev spectral projection methods for Fredholm integral equations of the second kind. (English) Zbl 1496.65238

Giri, Debasis (ed.) et al., Proceedings of the seventh international conference on mathematics and computing, ICMC 2021, Shibpur, India, March 2–5, 2021. Singapore: Springer. Adv. Intell. Syst. Comput. 1412, 801-814 (2022).
MSC:  65R20 45B05 65R15
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Realization by a differential operator of the annihilation operator for generalized Chebyshev oscillator. (English. Russian original) Zbl 07566755

J. Math. Sci., New York 264, No. 3, 252-270 (2022); translation from Zap. Nauchn. Semin. POMI 494, 75-102 (2020).
MSC:  33C80 33C45
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