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M.B. Vakarchuk

Observed names: M. B. Vakarchuk, M. Vakarchuk, Mihail B. Vakarchuk, Mihail Vakarchuk, Mykhailo Vakarchuk, Vakarchuk, M. B., Вакарчук, М.Б., Михайло Борисович Вакарчук, Михайло Вакарчук
ORCID: 0000-0001-8606-9057
Observed ORCID: 0000-0001-8606-9057
OpenAlex ID: A5004758091
Inequalities of Kolmogorov type for analytic functions of one and two complex variables and their applications to approximation theory
2012 · S. B. Vakarchuk, M. B. Vakarchuk · Ukrainian Mathematical Journal · 13
Approximation in the Mean for the Classes Of Functions in the Space L2[(0, 1); x] by The Fourier–Bessel Sums And Estimation of the Values of Their n-Widths
2024 · Sergii Vakarchuk, Mykhailo Vakarchuk · Ukrainian Mathematical Journal · 4
On inequalities of Kolmogorov-Hörmander type for functions bounded on a discrete net
1997 · V. F. Babenko, M. B. Vakarchuk · Ukrainian Mathematical Journal · 4
On multiplicative inequalities of Hardy-Littlewood-Polya type for analytic functions of one and two complex variables
2021 · S.B. Vakarchuk, M.B. Vakarchuk · Researches in Mathematics · 2
On approximation of functions by algebraic polynomials on the average in real domain with Chebyshev-Hermite weight
2021 · S.B. Vakarchuk, M.B. Vakarchuk · Researches in Mathematics · 2
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The best polynomial approximations of some classes of analytic functions in the Hardy spaces
2018 · S.B. Vakarchuk, V.I. Zabutna, et al. · Dnipro University Mathematics Bulletin · 2
Sharp inequalities of Jackson type in weighted space $L_{2;\rho}({\mathbb{R}}^2)$
2014 · S.B. Vakarchuk, M.B. Vakarchuk · Researches in Mathematics · 2
Averaged Characteristics of Smoothness in L2 and Estimations for the Values of Widths of Function Classes
2025 · Serhii Vakarchuk, Valentyna Zabutna, et al. · Ukrainian Mathematical Journal · 1
K-Functionals and Extreme Problems of the Approximation Theory for Classes of Analytic Functions in a Circle. I
2022 · S. B. Vakarchuk, M. B. Vakarchuk · Ukrainian Mathematical Journal · 1
On the estimates of the values of various widths of classes of functions of two variables in the weight space L2,γ (ℝ2), γ = exp(− x2− y2)
2020 · Sergey B. Vakarchuk, Mihail B. Vakarchuk · Journal of Mathematical Sciences · 1
Grygorіj Oleksіjovych Gruzintsev: the man, the mathematician, the philosopher
2018 · M.B. Vakarchuk, M.Ye. Tkachenko · Dnipro University Mathematics Bulletin · 1
On average $n$-widths of certain classes of functions in $L_2(\mathbb{R})$ space
2017 · S.B. Vakarchuk, M.B. Vakarchuk · Researches in Mathematics · 1
Поняття Точкового Ансамблю У Праці Г. О. Грузинцева «елементи Теорії Множин»
2026 · Михайло Борисович Вакарчук · ГРААЛЬ НАУКИ
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The best linear approximation methods for classes of functions analytic in a disk and exact values of their $n$-widths
2025 · S.B. Vakarchuk, M.B. Vakarchuk · Researches in Mathematics
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Exact Values of Widths for the Classes of Functions Defined by the Averaged Characteristics and Majorants in the Space L2
2025 · Serhii Vakarchuk, Valentyna Zabutna, et al. · Ukrainian Mathematical Journal
Vladyslav Fedorovych Babenko (to 75th anniversary)
2024 · V.P. Motornyi, R.O. Bilichenko, et al. · Researches in Mathematics
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Volodymyr Oleksandrovych Kofanov (to 75th anniversary)
2024 · V.P. Motornyi, V.F. Babenko, et al. · Researches in Mathematics
Наближення в середньому сумами Фур'є–Бесселя класів функцій у просторі L 2 [ ( 0,1 ) ; x ] та оцінки значень їх n -поперечників
2024 · S. Vakarchuk, M. Vakarchuk · Ukrains’kyi Matematychnyi Zhurnal
K-Functionals and Extreme Problems of the Approximation Theory for Classes of Analytic Functions in a Circle. II
2022 · S. B. Vakarchuk, M. B. Vakarchuk · Ukrainian Mathematical Journal
K -функціонали та екстремальні задачі теорії апроксимації класів аналітичних у крузі функцій. II.
2022 · S. B. Vakarchuk, M. B. Vakarchuk · Ukrains’kyi Matematychnyi Zhurnal
K -функціонали та екстремальні задачі теорії апроксимації класів аналітичних у крузі функцій. I
2022 · S. B. Vakarchuk, M. B. Vakarchuk · Ukrains’kyi Matematychnyi Zhurnal
In memoriam: Lilia Georgiivna Boitsun, a mathematician and bright person
2021 · V.F. Babenko, R.O. Bilichenko, et al. · Researches in Mathematics
On extremal problems of approximation theory for classes of functions of two discrete variables in $l^2_{q,p}$
2021 · S.B. Vakarchuk, M.B. Vakarchuk · Researches in Mathematics
On uniform polynomial approximation of functions that are analytic in finite number of non-intersecting continuums
2021 · S.B. Vakarchuk, M.B. Vakarchuk, et al. · Researches in Mathematics
On the best mean-square approximation by entire functions of finite type on the line
2021 · S.B. Vakarchuk, M.B. Vakarchuk · Researches in Mathematics
Works count: 37
Citation count: 34
H-index: 3
I10-index: 1
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