Edit Profile (opens in new tab) Hrabova, Ulyana Z. Co-Author Distance Author ID: hrabova.ulyana-z Published as: Hrabova, Ulyana Z.; Hrabova, U. Z. Documents Indexed: 9 Publications since 2014 Co-Authors: 5 Co-Authors with 9 Joint Publications 50 Co-Co-Authors Co-Authors 0 single-authored 7 Kalchuk, Inna V. 2 Serdyuk, Anatoly S. 2 Stepanyuk, Tat’yana Anatol’evna 1 Filozof, Leontii I. 1 Kravets, Vasyl’ I. Serials 4 Journal of Mathematical Sciences (New York) 3 Ukrainian Mathematical Journal 2 Carpathian Mathematical Publications Fields 7 Approximations and expansions (41-XX) 6 Harmonic analysis on Euclidean spaces (42-XX) 2 Potential theory (31-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 8 Publications have been cited 37 times in 23 Documents Cited by ▼ Year ▼ Approximation of the classes \(W^r_{\beta,\infty}\) by three-harmonic Poisson integrals. Zbl 1435.42001 Hrabova, U. Z.; Kal’chuk, I. V. 8 2019 Approximation of the classes \({W}_{\beta}^r{H}^{\alpha }\) by three-harmonic Poisson integrals. Zbl 1448.42005 Kal’chuk, Inna V.; Kravets, Vasyl’ I.; Hrabova, Ulyana Z. 7 2020 Approximative properties of the three-harmonic Poisson integrals on the classes \({W}_{\beta}^r{H}^{\alpha } \). Zbl 1461.42002 Hrabova, Ulyana Z.; Kal’chuk, Inna V.; Filozof, Leontii I. 7 2021 On the approximation of the classes \(W_\beta^r H^\alpha\) by biharmonic Poisson integrals. Zbl 1417.31004 Hrabova, U. Z.; Kal’chuk, I. V.; Stepanyuk, T. A. 6 2018 Approximation of functions from the classes \(W_\beta^r H^\alpha\) by Weierstrass integrals. Zbl 1498.42006 Grabova, U. Z.; Kal’chuk, I. V.; Stepanyuk, T. A. 4 2017 Order estimates for the best approximations and approximations by Fourier sums of the classes of \((\psi, \beta)\)-differential functions. Zbl 1327.42003 Hrabova, U. Z.; Serdyuk, A. S. 4 2014 Order estimates of the uniform approximations by Zygmund sums on the classes of convolutions of periodic functions. Zbl 1476.41014 Serdyuk, A. S.; Hrabova, U. Z. 3 2021 Approximation of classes \({C}_{\beta, \infty}^{\psi }\) by three-harmonic Poisson integrals in uniform metric (low smoothness). Zbl 1507.42003 Hrabova, Ulyana Z.; Kal’chuk, Inna V. 2 2022 Approximation of classes \({C}_{\beta, \infty}^{\psi }\) by three-harmonic Poisson integrals in uniform metric (low smoothness). Zbl 1507.42003 Hrabova, Ulyana Z.; Kal’chuk, Inna V. 2 2022 Approximative properties of the three-harmonic Poisson integrals on the classes \({W}_{\beta}^r{H}^{\alpha } \). Zbl 1461.42002 Hrabova, Ulyana Z.; Kal’chuk, Inna V.; Filozof, Leontii I. 7 2021 Order estimates of the uniform approximations by Zygmund sums on the classes of convolutions of periodic functions. Zbl 1476.41014 Serdyuk, A. S.; Hrabova, U. Z. 3 2021 Approximation of the classes \({W}_{\beta}^r{H}^{\alpha }\) by three-harmonic Poisson integrals. Zbl 1448.42005 Kal’chuk, Inna V.; Kravets, Vasyl’ I.; Hrabova, Ulyana Z. 7 2020 Approximation of the classes \(W^r_{\beta,\infty}\) by three-harmonic Poisson integrals. Zbl 1435.42001 Hrabova, U. Z.; Kal’chuk, I. V. 8 2019 On the approximation of the classes \(W_\beta^r H^\alpha\) by biharmonic Poisson integrals. Zbl 1417.31004 Hrabova, U. Z.; Kal’chuk, I. V.; Stepanyuk, T. A. 6 2018 Approximation of functions from the classes \(W_\beta^r H^\alpha\) by Weierstrass integrals. Zbl 1498.42006 Grabova, U. Z.; Kal’chuk, I. V.; Stepanyuk, T. A. 4 2017 Order estimates for the best approximations and approximations by Fourier sums of the classes of \((\psi, \beta)\)-differential functions. Zbl 1327.42003 Hrabova, U. Z.; Serdyuk, A. S. 4 2014 all cited Publications top 5 cited Publications all top 5 Cited by 17 Authors 8 Kharkevych, Yuriy I. 7 Kalchuk, Inna V. 5 Hrabova, Ulyana Z. 4 Serdyuk, Anatoly S. 3 Zhyhallo, Tetyana V. 2 Khanin, O. G. 2 Shkapa, Viktoriya V. 2 Shutovskyi, Arsen M. 1 Abdullayev, Fahreddin G. 1 Borsuk, B. M. 1 Filozof, Leontii I. 1 Kravets, Vasyl’ I. 1 Pozharska, Kateryna Vitaliivna 1 Sakhnyuk, Vasyl Ye. 1 Shidlich, Andrii 1 Sokolenko, Igor V. 1 Zhyhallo, Kostyantyn M. Cited in 4 Serials 7 Ukrainian Mathematical Journal 6 Cybernetics and Systems Analysis 6 Journal of Mathematical Sciences (New York) 4 Carpathian Mathematical Publications all top 5 Cited in 9 Fields 18 Harmonic analysis on Euclidean spaces (42-XX) 14 Approximations and expansions (41-XX) 4 Partial differential equations (35-XX) 3 Potential theory (31-XX) 3 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Real functions (26-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 1 Integral equations (45-XX) 1 Operator theory (47-XX) Citations by Year