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Found 5,015 Documents (Results 1–100)

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Approximation properties of the Vallée-Poussin means similar to the partial sums of Fourier series in Laguerre-Sobolev polynomials. (English. Russian original) Zbl 07538030

Sib. Math. J. 63, No. 3, 451-465 (2022); translation from Sib. Mat. Zh. 63, No. 3, 545-561 (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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Kernel methods for surrogate modeling. (English) Zbl 07445319

Benner, Peter (ed.) et al., Model order reduction. Volume 1: System- and data-driven methods and algorithms. Berlin: De Gruyter. 311-353 (2021).
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Criteria for the existence of systems of subspaces related to a certain class of unicyclic graphs. (English. Ukrainian original) Zbl 07439588

Ukr. Math. J. 73, No. 4, 649-660 (2021); translation from Ukr. Mat. Zh. 73, No. 4, 556-565 (2021).
MSC:  46C05 05C10
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From Euclidean to Hilbert spaces. Introduction to functional analysis and its applications. (English) Zbl 07408649

Mathematics and Statistics Series. London: ISTE; Hoboken, NJ: John Wiley & Sons (ISBN 978-1-78630-682-1/hbk; 978-1-119-85131-8/ebook). xii, 340 p. (2021).
MSC:  46-01 46C05 46N10
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Homogeneous measures and positive Alexandrov curvature. (English. Russian original) Zbl 1477.60015

J. Math. Sci., New York 257, No. 5, 652-661 (2021); translation from Probl. Mat. Anal. 111, 91-98 (2021).
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Properties of topological measures on classes of subspaces of an inner product space. (English. Russian original) Zbl 1480.46059

Proc. Steklov Inst. Math. 313, 228-235 (2021); translation from Tr. Mat. Inst. Steklova 313, 245-252 (2021).
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