Search Results - "Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online)" :: K.UTB vyhledávací portál

$Pointwise estimates of the best one-sided approximations of classes $$$W^r_{\infty}$$$ for $$$0 < r < 1$

Pointwise estimates of the best one-sided approximations of classes $$$W^r_{\infty}$$$ for $$$0 < r < 1

by Pas'ko, A.M., Stefura, V.D.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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Grygorіj Oleksіjovych Gruzintsev: the man, the mathematician, the philosopher

by Vakarchuk, M.B., Tkachenko, M.Ye
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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Bojanov-Naidenov problem for positive (negative) parts of differentiable functions on the real domain

by Kameneva, V.V., Kofanov, V.A.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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$On interpolation of operators of weak type $$$(\phi_0, \psi_0, \phi_1, \psi_1)$$$ in Lorentz spaces in borderline cases$

On interpolation of operators of weak type $$$(\phi_0, \psi_0, \phi_1, \psi_1)$$$ in Lorentz spaces in borderline cases

by Peleshenko, B.I., Semirenko, T.N.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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On mean approximation of function and its derivatives

by Motornyi, V.P.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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$On the convergence of multidimensional regular C-fractions with independent variables$

On the convergence of multidimensional regular C-fractions with independent variables

by Dmytryshyn, R.I.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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The order of the best transfinite interpolation of functions with bounded laplacian with the help of harmonic splines on box partitions

by Skorokhodov, D.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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Lower estimates on the saturation order of approximation of twice continuously differentiable functions by piecewise constants on convex partitions

by Kozynenko, O.V.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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$The criterion of the best approximant for the multivariable functions in the space $$$L_{p_1,...,p_{i-1},1,p_{i+1},...,p_n}$

The criterion of the best approximant for the multivariable functions in the space $$$L_{p_1,...,p_{i-1},1,p_{i+1},...,p_n}

by Traktyns'ka, V.M., Tkachenko, M.Ye, Osennikova, D.O.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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$On one property of zeros of polynomials of the least $$$(\alpha; \beta)$$$-deviation from zero in weighted space $$$L_p$

On one property of zeros of polynomials of the least $$$(\alpha; \beta)$$$-deviation from zero in weighted space $$$L_p

by Polyakov, O.V.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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$Inequalities of various metrics for the norms $$$\|x\|_{p,\delta} = \sup \bigl\{ \| x \|_{L_p[a,b]} \colon a,b\in \mathbb{R}, b-a\leqslant \delta \bigr\}$$$ of differentiable functions on the real domain$

Inequalities of various metrics for the norms $$$\|x\|_{p,\delta} = \sup \bigl\{ \| x \|_{L_p[a,b]} \colon a,b\in \mathbb{R}, b-a\leqslant \delta \bigr\}$$$ of differentiable functions on the real domain

by Kofanov, V.A.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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The best polynomial approximations of some classes of analytic functions in the Hardy spaces

by Vakarchuk, S.B., Zabutna, V.I., Vakarchuk, M.B.
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (25.06.2018)

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Властивостi i наближення iнтегрованих функцiй

by V.P. Motornyi, U.P. Babyak, K.R. Studenikina, M.V. Shtats'ka
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (01.06.2017)

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$О средних $\nu$-поперечниках некоторых классов функций в пространстве $L_2(\mathbb{R})$

О средних $\nu$-поперечниках некоторых классов функций в пространстве $L_2(\mathbb{R})

by S.B. Vakarchuk, M.B. Vakarchuk
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (01.06.2017)

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On locally finite groups whose cyclic subgroups are monopronormal

by A.A. Pypka
Published in Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Matematika (Online) (01.06.2017)

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$Решение задачи Боянова-Найденова с ограничениями на норму $\|x\|_{p,\delta} = \sup \bigl\{ \| x \|_{L_p[a;b]} \colon a,b\in \mathbb{R}, b-a\leqslant \delta \bigr\}$