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Found 48 Documents (Results 1–48)

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Approximation of infinitely differentiable functions on the real line by polynomials in weighted spaces. (English. Russian original) Zbl 1476.41005

J. Math. Sci., New York 257, No. 3, 329-333 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 162, 57-61 (2019).
MSC:  41A10 41A81
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Sparse approximation of multivariate functions from small datasets via weighted orthogonal matching pursuit. (English) Zbl 07437831

Sherwin, Spencer J. (ed.) et al., Spectral and high order methods for partial differential equations, ICOSAHOM 2018. Selected papers from the ICOSAHOM conference, London, UK, July 9–13, 2018. Cham: Springer. Lect. Notes Comput. Sci. Eng. 134, 611-621 (2020).
MSC:  41A63 41A81
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Weighted approximation with the Bernstein-Chlodovsky operators. (English) Zbl 1460.41017

Draganov, Borislav (ed.) et al., Constructive theory of functions. Proceedings of the 13th international conference, Sozopol, Bulgaria, June 2–8, 2019. Dedicated to the memory of Blagovest Sendov. Sofia: Prof. Marin Drinov Academic Publishing House. 121-130 (2020).
MSC:  41A81 41A36
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How to use renormalization group analysis in lattice nuclear effective field theory. (English) Zbl 1437.81158

Orr, N. A. (ed.) et al., Recent progress in few-body physics. Proceedings of the 22nd international conference on few-body problems in physics, FB22, Caen, France, July 9–13, 2018. Cham: Springer. Springer Proc. Phys. 238, 415-419 (2020).
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On approximation of signals in the weighted Zygmund class via \((E,1)(\overline{N},p_n)\) summability means of conjugate Fourier series. (English) Zbl 1457.42006

Castillo, Oscar (ed.) et al., Recent advances in intelligent information systems and applied mathematics. Selected papers based on the presentations at the 2nd international conference on information technology and applied mathematics, ICITAM 2019, Haldia Institute of Technology, Haldia, India, March 7–9, 2019. Cham: Springer. Stud. Comput. Intell. 863, 791-803 (2020).
MSC:  42A20 41A81 94A12
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A new characterization of weighted Peetre \(K\)-functionals. III. (English) Zbl 1445.41012

Ivanov, Kamen (ed.) et al., Constructive theory of functions. Proceedings of the 12th international conference, Sozopol, Bulgaria, June 11–17, 2016. Sofia: Prof. Marin Drinov Academic Publishing House. 99-141 (2018).
MSC:  41A36 41A81 46B70
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Weighted approximation theorem for Choldowsky generalization of the \(q\)-Favard-Szász operators. (English) Zbl 1465.41009

Chen, Chuei Yee (ed.) et al., Innovations through mathematical and statistical research. Proceedings of the 2nd international conference on mathematical sciences and statistics, ICMSS2016, Kuala Lumpur, Malaysia, January 26–28, 2016. Melville, NY: American Institute of Physics (AIP). AIP Conf. Proc. 1739, Article ID 020061, 5 p. (2016).
MSC:  41A36 41A81
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