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Found 91 Documents (Results 1–91)

Approximation of the classes \({W}_{\beta, \infty}^R\) by generalized Abel-Poisson integrals. (English. Ukrainian original) Zbl 1525.41016

Ukr. Math. J. 74, No. 4, 575-585 (2022); translation from Ukr. Mat. Zh. 74, No. 4, 507-515 (2022).
MSC:  41A65 42A10
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Approximation of the classes \({W}_{\beta}^r{H}^{\alpha }\) by three-harmonic Poisson integrals. (English. Ukrainian original) Zbl 1448.42005

J. Math. Sci., New York 246, No. 1, 39-50 (2020); translation from Ukr. Mat. Visn. 16, No. 3, 357-371 (2019).
MSC:  42A10 42A05 41A45
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Properties of certain classes of semiclassical orthogonal polynomials. (English) Zbl 1443.33018

Foupouagnigni, Mama (ed.) et al., Orthogonal polynomials. Proceedings of the 2nd AIMS-Volkswagen Stiftung workshop on introduction to orthogonal polynomials and applications, Douala, Cameroon, October 5–12, 2018. Cham: Birkhäuser. Tutor. Sch. Workshops Math. Sci., 457-477 (2020).
MSC:  33C45 33D45 42C05
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Semi-Fredholmness of weighted singular integral operators with shifts and slowly oscillating data. (English) Zbl 1476.47013

André, Carlos (ed.) et al., Operator theory, operator algebras, and matrix theory. Based on the presentations at the international workshop on operator theory and operator algebras, WOAT 2016, Lisbon, Portugal, July 5–8, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 267, 221-246 (2018).
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Summation of Fourier trigonometric series and conjugate series by (\(C, \alpha, \beta\)) method. (English. Russian original) Zbl 1302.42010

J. Contemp. Math. Anal., Armen. Acad. Sci. 46, No. 5, 252-263 (2011); translation from Izv. Nats. Akad. Nauk Armen., Mat. 46, No. 5, 25-40 (2011).
MSC:  42A24 40G05
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Strong convergence of approximate identities and Bourgain points of bounded functions. (English. Russian original) Zbl 1184.42003

Dokl. Math. 78, No. 2, 774-777 (2008); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 422, No. 6, 738-740 (2008).
MSC:  42A38 26A45
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