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Found 657 Documents (Results 1–100)

Boundedness and compactness of the two-dimensional rectangular Hardy operator. (English. Russian original) Zbl 1518.47080

Dokl. Math. 106, No. 2, 361-365 (2022); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 506, 68-72 (2022).
MSC:  47G10 47B92 46E30
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Extended spectra for some composition operators on weighted Hardy spaces. (English. Russian original) Zbl 1511.47032

Funct. Anal. Appl. 56, No. 2, 81-85 (2022); translation from Funkts. Anal. Prilozh. 56, No. 2, 3-9 (2022).
MSC:  47B33 46E20 30H10
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Modified Hardy and Hardy-Littlewood fractional operators in Morrey-Herz spaces and their commutators in weighted spaces. (English. Russian original) Zbl 07552490

J. Math. Sci., New York 263, No. 5, 666-674 (2022); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 171, 70-77 (2019).
MSC:  47G10 42B35
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Construction of approximation formulas for analytic functions by mathematical optimization. (English) Zbl 1474.41006

Baumann, Gerd (ed.), New sinc methods of numerical analysis. Festschrift in honor of Frank Stenger’s 80th birthday. Based on the presentations at the symposium, Rhodes, Greece, September 13–18, 2018. Cham: Birkhäuser. Trends Math., 341-368 (2021).
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Bilinear weighted inequalities with two-dimensional operators. (English. Russian original) Zbl 1481.26018

Dokl. Math. 102, No. 2, 406-408 (2020); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 494, 60-63 (2020).
MSC:  26D10 46E30
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