Works matching IS 00415995 AND DT 2017 AND VI 69 AND IP 5

Results: 12

On the Moduli of Continuity and Fractional-Order Derivatives in the Problems of Best Mean-Square Approximation by Entire Functions of the Exponential Type on the Entire Real Axis.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 696, doi. 10.1007/s11253-017-1389-4

By:

Vakarchuk, S.

Publication type:

Article

Exact Constant in Dzyadyk's Inequality for the Derivative of an Algebraic Polynomial.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 725, doi. 10.1007/s11253-017-1390-y

By:

Halan, V.;
Shevchuk, I.

Publication type:

Article

Padé -Type Approximants for Some Classes of Multivariate Functions.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 734, doi. 10.1007/s11253-017-1391-x

By:

Holub, A.;
Lysenko, L.

Publication type:

Article

Pointwise Estimation of the Almost Copositive Approximation of Continuous Functions by Algebraic Polynomials.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 746, doi. 10.1007/s11253-017-1392-9

By:

Dzyubenko, H.

Publication type:

Article

Approximating Properties of Biharmonic Poisson Operators in the Classes $$ {\widehat{L}}_{\beta, 1}^{\psi } $$.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 757, doi. 10.1007/s11253-017-1393-8

By:

Zhyhallo, T.;
Kharkevych, Yu.

Publication type:

Article

Direct and Inverse Theorems on the Approximation of 2π-Periodic Functions by Taylor-Abel-Poisson Operators.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 766, doi. 10.1007/s11253-017-1394-7

By:

Prestin, J.;
Savchuk, V.;
Shidlich, A.

Publication type:

Article

Trigonometric and Linear Widths for the Classes of Periodic Multivariate Functions.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 782, doi. 10.1007/s11253-017-1395-6

By:

Romanyuk, A.

Publication type:

Article

Kolmogorov Widths and Entropy Numbers in the Orlicz Spaces with Luxembourg Norm.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 796, doi. 10.1007/s11253-017-1396-5

By:

Romanyuk, V.

Publication type:

Article

Approximation of the Classes of Generalized Poisson Integrals by Fourier Sums in Metrics of the Spaces L.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 811, doi. 10.1007/s11253-017-1397-4

By:

Serdyuk, A.;
Stepanyuk, T.

Publication type:

Article

On the Fractional Integrodifferentiation of Complex Polynomials in L.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 823, doi. 10.1007/s11253-017-1398-3

By:

Kovalenko, L.;
Storozhenko, É.

Publication type:

Article

Nikol'skii-Stechkin-Type Inequalities for the Increments of Trigonometric Polynomials in Metric Spaces.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 831, doi. 10.1007/s11253-017-1399-2

By:

Pichugov, S.

Publication type:

Article

Polynomial Inequalities in Quasidisks on Weighted Bergman Spaces.

Published in:

Ukrainian Mathematical Journal, 2017, v. 69, n. 5, p. 675, doi. 10.1007/s11253-017-1388-5

By:

Abdullayev, F.;
Tunç, T.;
Abdullayev, G.

Publication type:

Article