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Matematicheskie Zametki, 2009, Volume 85, Issue 3, Pages 323–329
DOI: https://doi.org/10.4213/mzm6633
(Mi mzm6633)
 

This article is cited in 17 scientific papers (total in 17 papers)

Best Linear Approximation Methods for Functions of Taikov Classes in the Hardy spaces $H_{q,\rho}$, $q\ge1$, $0<\rho\le1$

S. B. Vakarchuka, V. I. Zabutnayab

a Ukrainian Academy of Customs
b Dnepropetrovsk National University
References:
Abstract: In the Hardy spaces $H_{q,\rho}$, $q\ge1$, $0<\rho\le1$, we construct best linear approximation methods for classes of analytic functions $W^rH_q\Phi$, $r\in\mathbb N$, in the unit disk (studied by L. V. Taikov) whose averaged second-order moduli of continuity of the angular boundary values of the $r$th derivatives are majorized by a given function $\Phi$ satisfying certain constraints.
Keywords: linear approximation of functions, analytic function, Hardy spaces $H_{q,\rho}$, modulus of continuity, $n$-width (Bernstein, Kolmogorov, Gelfand), algebraic polynomial, Minkowski's inequality.
Received: 18.12.2001
Revised: 08.10.2008
English version:
Mathematical Notes, 2009, Volume 85, Issue 3, Pages 322–327
DOI: https://doi.org/10.1134/S000143460903002X
Bibliographic databases:
UDC: 517.5
Language: Russian
Citation: S. B. Vakarchuk, V. I. Zabutnaya, “Best Linear Approximation Methods for Functions of Taikov Classes in the Hardy spaces $H_{q,\rho}$, $q\ge1$, $0<\rho\le1$”, Mat. Zametki, 85:3 (2009), 323–329; Math. Notes, 85:3 (2009), 322–327
Citation in format AMSBIB
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\by S.~B.~Vakarchuk, V.~I.~Zabutnaya
\paper Best Linear Approximation Methods for Functions of Taikov Classes in the Hardy spaces $H_{q,\rho}$, $q\ge1$, $0<\rho\le1$
\jour Mat. Zametki
\yr 2009
\vol 85
\issue 3
\pages 323--329
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\crossref{https://doi.org/10.4213/mzm6633}
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\transl
\jour Math. Notes
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\vol 85
\issue 3
\pages 322--327
\crossref{https://doi.org/10.1134/S000143460903002X}
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\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-69949144298}
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  • https://doi.org/10.4213/mzm6633
  • https://www.mathnet.ru/eng/mzm/v85/i3/p323
  • This publication is cited in the following 17 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Математические заметки Mathematical Notes
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