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Ulyana Z. Hrabova

Observed names: Hrabova, Ulyana, U. Z. Hrabova, U.Z. Hrabova, Ulyana Hrabova
ORCID: 0000-0002-4669-4955
Observed ORCID: 0000-0002-4669-4955
OpenAlex ID: A5008961827
Approximation of Classes $$ {C}_{\beta, \infty}^{\psi } $$ by Three-Harmonic Poisson Integrals in Uniform Metric (Low Smoothness)
2022 · Ulyana Z. Hrabova, Inna V. Kal’chuk · Journal of Mathematical Sciences · 23
Approximation of continuous functions given on the real axis by three-harmonic Poisson operators
2023 · Ulyana Z. Hrabova, Inna V. Kal’chuk · Journal of Mathematical Sciences · 22
Approximation of the classes $$ {W}_{\beta}^r{H}^{\alpha } $$ by three-harmonic Poisson integrals
2020 · Inna V. Kal’chuk, Vasyl’ I. Kravets, et al. · Journal of Mathematical Sciences · 21
Approximation of the classes $W^{r}_{\beta,\infty}$ by three-harmonic Poisson integrals
2019 · U.Z. Hrabova, I.V. Kal'chuk · Carpathian Mathematical Publications · 19
Approximative properties of the three-harmonic Poisson integrals on the classes $$ {W}_{\beta}^r{H}^{\alpha } $$
2021 · Ulyana Z. Hrabova, Inna V. Kal’chuk, et al. · Journal of Mathematical Sciences · 15
Order Estimates for the Best Approximations and Approximations by Fourier Sums of the Classes of (ψ, β)-Differential Functions
2014 · U. Z. Hrabova, A. S. Serdyuk · Ukrainian Mathematical Journal · 14
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On the Approximation of the Classes W β r H α $$ {W}_{\beta}^r{H}^{\alpha } $$ by Biharmonic Poisson Integrals
2018 · U. Z. Hrabova, I. V. Kal’chuk, et al. · Ukrainian Mathematical Journal · 13
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Order estimates of the uniform approximations by Zygmund sums on the classes of convolutions of periodic functions
2021 · A.S. Serdyuk, U.Z. Hrabova · Carpathian Mathematical Publications · 11
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Uniform Approximations by the Poisson Threeharmonic Integrals on the Sobolev Classes
2019 · Ulyana Z. Hrabova · Journal of Automation and Information Sciences · 11
Approximation of Functions from the Classes W β r H α $$ {W}_{\beta}^r{H}^{\alpha } $$ by Weierstrass Integrals
2017 · U. Z. Hrabova, I. V. Kal’chuk, et al. · Ukrainian Mathematical Journal · 9
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Approximation of Conjugate Periodic Functions by Their Threeharmonic Poisson Integrals
2020 · Ulyana Z. Hrabova · Journal of Automation and Information Sciences · 6
Approximative Properties of the Threeharmonic Poisson Integrals on the Hölder Classes
2018 · Ulyana Z. Hrabova · Journal of Automation and Information Sciences · 6
Approximation of the classes W^{r}_{\beta}H^{\alpha} by three-harmonic Poisson integrals
2019 · Inna Kal'chuk, Vasyl' Kravets, et al. · Ukrainian Mathematical Bulletin · 3
Uniform Approximations of Functions of Lipschitz Class by Threeharmonic Poisson Integrals
2017 · Ulyana Z. Hrabova · Journal of Automation and Information Sciences · 3
Approximation of continuous functions given on the real axis by three-harmonic Poisson operators
2023 · Ulyana Hrabova, Inna Kal'chuk · Ukrainian Mathematical Bulletin · 1
Approximative properties of the three-harmonic Poisson integrals on the classes $W^{r}_{\beta}H^{\alpha}$.
2020 · Ulyana Hrabova, Inna Kal'chuk, et al. · Ukrainian Mathematical Bulletin · 1
Works count: 17
Citation count: 178
H-index: 9
I10-index: 9
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