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Found 1,190 Documents (Results 1–100)

On the uniform convergence of spherical partial sums of Fourier series by the double Walsh system. (English. Russian original) Zbl 07819934

J. Contemp. Math. Anal., Armen. Acad. Sci. 58, No. 5, 370-383 (2023); translation from Izv. Nats. Akad. Nauk Armen., Mat. 58, No. 5, 85-101 (2023).
MSC:  42C10 42A20 43A15
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On the issue of convergence and summability of general Fourier series. (English. Russian original) Zbl 07760703

J. Contemp. Math. Anal., Armen. Acad. Sci. 58, No. 4, 243-252 (2023); translation from Izv. Nats. Akad. Nauk Armen., Mat. 58, No. 4, 14-23 (2023).
MSC:  42A20 42A24 42C10
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Uniqueness of series by general Franklin system with convergent subsequence of partial sums. (English. Russian original) Zbl 07760676

J. Contemp. Math. Anal., Armen. Acad. Sci. 58, No. 2, 67-80 (2023); translation from Izv. Nats. Akad. Nauk Armen., Mat. 58, No. 2, 28-45 (2023).
MSC:  42C10 42C25
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On the \(L^p\)-greedy universal functions with respect to the generalized Walsh system. (English. Russian original) Zbl 1510.42038

J. Contemp. Math. Anal., Armen. Acad. Sci. 57, No. 6, 332-343 (2022); translation from Izv. Nats. Akad. Nauk Armen., Mat. 57, No. 6, 17-31 (2022).
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On the attribute of uniform convergence of Fourier series of the Vilenkin system in the case of unbounded \(p_k\). (English. Russian original) Zbl 1528.42037

Mosc. Univ. Math. Bull. 77, No. 5, 247-249 (2022); translation from Vestn. Mosk. Univ., Ser. I 77, No. 5, 48-51 (2022).
MSC:  42C10 42A20 20C15
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Unconditional convergence of general Fourier series. (English. Russian original) Zbl 1511.42026

Proc. Steklov Inst. Math. 319, 74-84 (2022); translation from Tr. Mat. Inst. Steklova 319, 83-93 (2022).
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Sobolev orthogonal systems with two discrete points and Fourier series. (English. Russian original) Zbl 1484.42027

Russ. Math. 65, No. 12, 47-55 (2021); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2021, No. 12, 56-66 (2021).
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Basis properties of the Haar system in limiting Besov spaces. (English) Zbl 1487.42066

Ciatti, Paolo (ed.) et al., Geometric aspects of harmonic analysis. Proceedings of the INdAM meeting, Cortona, Italy, June 25–29, 2018. Cham: Springer. Springer INdAM Ser. 45, 361-424 (2021).
MSC:  42C10 46E35
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On the Bellman function method for operators on martingales. (English. Russian original) Zbl 1477.42027

Dokl. Math. 103, No. 3, 118-121 (2021); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 498, 27-30 (2021).
MSC:  42C10 60G42
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