$K$-functionals and extreme problems of the approximation theory for classes of analytic functions in a circle. I (Q2098830)

scientific article; zbMATH DE number 7621850

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English	$K$-functionals and extreme problems of the approximation theory for classes of analytic functions in a circle. I	scientific article; zbMATH DE number 7621850

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title

$K$-functionals and extreme problems of the approximation theory for classes of analytic functions in a circle. I (English)

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Ukrainian Mathematical Journal

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publication date

22 November 2022

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Publication

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full work available at URL

https://doi.org/10.1007/s11253-022-02081-7

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cites work

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Mean approximation of functions on the real axis by algebraic polynomials with Chebyshev-Hermite weight and widths of function classes

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K-FUNCTIONALS AND EXACT VALUES OF n-WIDTHS IN THE BERGMAN SPACE

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Upper bounds for the approximation of some classes of bivariate functions by triangular Fourier-Hermite sums in the space $L_{2,p}(\mathbb{R}^2)$

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Widths of Hardy classes and Bergman classes on the ball in $ \mathbb{C}^n$

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Exact values of widths of classes of analytic functions on the disk and best linear approximation methods

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Best linear approximation methods for functions of Taikov classes in the Hardy spaces $H_{q,\rho },q \geq 1, 0 < \rho \leq 1$

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Best linear methods for the approximation of functions of the Bergman class by algebraic polynomials

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Best linear methods of approximation and optimal orthonormal systems of the Hardy space

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The widths of classes of analytic functions in a disc

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Best approximation methods and widths for some classes of functions in $H_{q,\rho}$, $1 \leq q\leq\infty$, $0 < \rho\leq 1$

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Estimates of the values of $n$-widths of classes of analytic functions in the weight spaces $H_{2,\gamma}(D)$

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Q4116692

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Q4726489

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Polynomial Approximation of Functions Analytic in a Disk

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Diameters of certain classes of functions analytic in the unit disc. I

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10.1007/S11253-022-02081-7

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Mathematics(1 entry)

mardi Publication:2098830

\(K\)-functionals and extreme problems of the approximation theory for classes of analytic functions in a circle. I (Q2098830)

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Sitelinks

Mathematics(1 entry)