Дополнения к оценкам приближения суммами Фурье классов бесконечно дифференцируемых функций ВС Романюк Екстремальнi задачi теорiї функцiй та сумiжнi питання: Пр. Iн-ту математики …, 2003 | 16 | 2003 |
APPROXIMATING CHARACTERISTICS OF THE CLASSES OF PERIODIC MULTIVARIATE FUNCTIONS IN THE SPACE [B. sub.[infinity], 1]. AS Romanyuk, VS Romanyuk Ukrainian Mathematical Journal 71 (2), 308-322, 2019 | 15 | 2019 |
Trigonometric and orthoprojection widths of classes of periodic functions of many variables AS Romanyuk, VS Romanyuk Ukr. Mat. Zh 61, 1348-1366, 2009 | 15 | 2009 |
Asymptotic estimates for the best trigonometric and bilinear approximations of classes of functions of several variables AS Romanyuk, VS Romanyuk Ukr. Mat. Zh 62, 536-551, 2010 | 13 | 2010 |
Estimation of Some Approximating Characteristics of the Classes of Periodic Functions of One and Many Variables. AS Romanyuk, VS Romanyuk Ukrainian Mathematical Journal 71 (8), 2020 | 11 | 2020 |
Best bilinear approximations of functions from Nikol'skii-Besov classes. A Romanyuk, V Romanyuk Ukrainian Mathematical Journal 64 (5), 2012 | 7 | 2012 |
Наилучшие билинейные приближения функций из пространств Никольского-Бесова АС Романюк, ВС Романюк Український математичний журнал, 2012 | 7 | 2012 |
Approximative characteristics of classes of periodic functions of many variables in the space B∞, 1 AS Romanyuk, VS Romanyuk Ukr. Mat. Zh. 71 (2), 271-282, 2019 | 6 | 2019 |
Наилучшие билинейные приближения классов функций многих переменных АС Романюк, ВС Романюк Український математичний журнал, 2013 | 6 | 2013 |
Multiple Haar basis and -term approximations of functions from the Besov classes. II VS Romanyuk Ukrains’ kyi Matematychnyi Zhurnal 68 (6), 816-825, 2016 | 5 | 2016 |
Additions to the estimates of the approximation of classes of infinitely differentiable functions by Fourier sums VS Romanyuk Extremal Problems of the Theory of Functions and Related Problems [in …, 2003 | 5 | 2003 |
Multiple Haar basis and m-term approximations for functions from the Besov classes. I. VS Romanyuk Ukrainian Mathematical Journal 68 (4), 625-638, 2016 | 4 | 2016 |
Multiple Haar basis and its properties VS Romanyuk Ukrainian Mathematical Journal 67 (9), 1411-1425, 2016 | 4 | 2016 |
Characteristics of linear and nonlinear approximation of isotropic classes of periodic multivariate functions AS Romanyuk, VS Romanyuk, KV Pozharska, SB Hembars' ka Carpathian Mathematical Publications 15 (1), 78-94, 2023 | 3 | 2023 |
Multiple Haar basis and m-term appriximations for functions from the Besov classes. I VS Romanyuk Ukrains’ kyi Matematychnyi Zhurnal 68 (4), 551-562, 2016 | 3 | 2016 |
Конструктивная характеристика классов Гельдера и m-членные приближения по кратному базису Хаара ВС Романюк Український математичний журнал, 2014 | 3 | 2014 |
Classes of (ψ, β)-differentiable functions of a complex variable and approximation by linear averages of their Faber series AI Stepanets, VS Romanyuk Ukrainian Mathematical Journal 44 (11), 1432-1446, 1992 | 3 | 1992 |
Kolmogorov widths and entropy numbers in the Orlich spaces with the Luxembourg norm VS Romanyuk Ukrains’ kyi Matematychnyi Zhurnal 69 (5), 682-694, 2017 | 2 | 2017 |
Best bilinear approximations for the classes of functions of many variables AS Romanyuk, VS Romanyuk Ukr. Mat. Zh 65, 1681-1699, 2013 | 2 | 2013 |
Approximation of classes of analytic functions by algebraic polynomials and Kolmogorov widths VS Romanyuk Ukrainian Mathematical Journal 48 (2), 267-282, 1996 | 2 | 1996 |