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N. V. Parfinovych

Observed names: N Parfinovych, N. Parfinovych, N. V. Parfinovich, N.V. Parfinovich, N.V. Parfinovych, Nataliia Parfinovych, Nataliia V Parfinovych, Nataliia V. Parfinovych, Nataliya Parfinovych, Natal’ya V. Parfinovich, Н. В. Парфінович
ORCID: 0000-0002-3448-3798
Observed ORCID: 0000-0002-3448-3798
OpenAlex ID: A5071302956
Kolmogorov-type inequalities for norms of Riesz derivatives of functions of several variables with Laplacian bounded in L ∞ and related problems
2014 · V. F. Babenko, N. V. Parfinovich, et al. · Mathematical Notes · 16
On approximation of hypersingular integral operators by bounded ones
2022 · Vladyslav Babenko, Oleg Kovalenko, et al. · Journal of Mathematical Analysis and Applications · 14
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Sharp Kolmogorov-type inequalities for norms of fractional derivatives of multivariate functions
2010 · V. F. Babenko, N.V. Parfinovych, et al. · Ukrainian Mathematical Journal · 13
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Kolmogorov type inequalities for norms of Riesz derivatives of multivariate functions and some applications
2012 · V. F. Babenko, N. V. Parfinovich · Proceedings of the Steklov Institute of Mathematics · 10
On Landau-Kolmogorov type inequalities for charges and their applications
2023 · V.F. Babenko, V.V. Babenko, et al. · Researches in Mathematics · 8
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Solvability Issues for Some Noncoercive and Nonmonotone Parabolic Equations Arising in the Image Denoising Problems
2022 · Peter Kogut, Yaroslav Kohut, et al. · Journal of Optimization Differential Equations and their Applications · 8
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Inequalities of the Kolmogorov type for norms of Riesz derivatives of multivariate functions and some of their applications
2012 · Vladislav F. Babenko, Natal’ya V. Parfinovich · Journal of Mathematical Sciences · 6
On the exact values of the best approximations of classes of differentiable periodic functions by splines
2010 · V. F. Babenko, N. V. Parfinovich · Mathematical Notes · 6
Exact values of best approximations for classes of periodic functions by splines of deficiency 2
2009 · V. F. Babenko, N. V. Parfinovich · Mathematical Notes · 6
Nagy type inequalities in metric measure spaces and some applications
2023 · V.F. Babenko, V.V. Babenko, et al. · Carpathian Mathematical Publications · 5
Optimal recovery of integral operators and its applications
2016 · Vladyslav Babenko, Yuliya Babenko, et al. · Journal of Complexity · 5
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Kolmogorov type inequalities for the Marchaud fractional derivatives on the real line and the half-line
2014 · Vladislav F Babenko, Mariya S Churilova, et al. · Journal of Inequalities and Applications · 4
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On the bestL 1-approximations of functional classes by splines under restrictions imposed on their derivatives
1999 · V. F. Babenko, N. V. Parfinovich · Ukrainian Mathematical Journal · 4
Optimal recovery of mappings based on linear information with the help of $T$-splines in Banach spaces
2024 · V.F. Babenko, Yu.V. Babenko, et al. · Researches in Mathematics · 3
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Kolmogorov-type inequalities for hypersingular integrals with homogeneous characteristics
2024 · V.F. Babenko, O.V. Kovalenko, et al. · Researches in Mathematics · 3
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Kolmogorov-type inequalities in semilinear metric spaces
2025 · V. Babenko, V. Kolesnyk, et al. · Carpathian Mathematical Publications · 2
Optimal recovery of operators in sequence spaces
2024 · V.F. Babenko, N.V. Parfinovych, et al. · Researches in Mathematics · 2
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General form of $(\lambda,\varphi)$-additive operators on spaces of $L$-space-valued functions
2022 · V.F. Babenko, V.V. Babenko, et al. · Researches in Mathematics · 2
Optimal recovery of operator sequences
2021 · V. F. Babenko, N. V. Parfinovych, et al. · Matematychni Studii · 2
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Kolmogorov inequalities for norms of Marchaud-type fractional derivatives of multivariate functions
2020 · N.V. Parfinovych, V.V. Pylypenko · Researches in Mathematics · 2
Optimal Recovery of Elements of a Hilbert Space and their Scalar Products According to the Fourier Coefficients Known with Errors
2020 · V. F. Babenko, M. S. Gunko, et al. · Ukrainian Mathematical Journal · 2
Exact Values of the Best (𝛼, β)-Approximations for the Classes of Convolutions with Kernels that Do Not Increase the Number of Sign Changes
2017 · N. V. Parfinovych · Ukrainian Mathematical Journal · 2
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Extremal Problems of Analysis and Applications
2025 · Vladyslav Babenko, Volodymyr Kofanov, et al. · Synthesis lectures on mathematics and statistics · 1
Some Sharp Landau–Kolmogorov–Nagy-Type Inequalities in Sobolev Spaces of Multivariate Functions
2024 · Vladyslav Babenko, Vira Babenko, et al. · Ukrainian Mathematical Journal · 1
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Estimates for the Deviations of Integral Operators in Semilinear Metric Spaces and Their Applications
2022 · V. F. Babenko, V. V. Babenko, et al. · Ukrainian Mathematical Journal · 1
Works count: 49
Citation count: 133
H-index: 6
I10-index: 4
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