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Found 3,753 Documents (Results 1–100)

On the absolute convergence of double Fourier series of uniform almost periodic functions in a uniform metric. (English. Russian original) Zbl 07736674

Russ. Math. 67, No. 4, 56-65 (2023); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 3, 65-75 (2023).
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On one property of the moduli of continuity for periodic functions of higher orders. (English. Ukrainian original) Zbl 1516.42006

Ukr. Math. J. 74, No. 8, 1311-1315 (2023); translation from Ukr. Mat. Zh. 74, No. 8, 1149-1152 (2022).
MSC:  42A75 26A15
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Best orthogonal trigonometric approximations of the Nikol’skii-Besov-type classes of periodic functions in the space \(B_{ \infty ,1}\). (English. Ukrainian original) Zbl 07626269

Ukr. Math. J. 74, No. 6, 883-895 (2022); translation from Ukr. Mat. Zh. 74, No. 6, 772-783 (2022).
MSC:  42A10 41A50 42A75
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On distributions that are almost periodic at infinity. (English. Russian original) Zbl 1517.46028

J. Math. Sci., New York 263, No. 4, 511-521 (2022); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 170, 51-61 (2019).
MSC:  46F10 43A60
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