Результати для

Результати для Показ 2051 - 2100 результатів із 310800 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=42&type=Subject&lng=uk 310800 2050 50 Approximation of the classes $W^{r}_{\beta,\infty}$ by generalized Abel-Poisson integrals Tue, 24 Mar 2026 03:31:48 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7164 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7164 Kal'chuk, I. V. Стаття 2022 Kal'chuk, I. V. 0 Generalized weakly demicompact and $S$-demicompact linear relations and their spectral properties Tue, 24 Mar 2026 03:31:48 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7194 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7194 Fakhfakh, Majed Стаття 2023 Fakhfakh, Majed 0 On the behavior of one class of homeomorphisms at infinity Tue, 24 Mar 2026 03:31:47 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7158 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7158 Salimov, R. R. Стаття 2022 Salimov, R. R. 0 A new simple proof of cayles’s formula and its relationship with the Kirkwood – Salzburg equations Tue, 24 Mar 2026 03:31:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7156 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7156 Rebenko, O. L. Стаття 2022 Rebenko, O. L. 0 A tangent inequality over primes Tue, 24 Mar 2026 03:31:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7184 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7184 Dimitrov, S. I. Стаття 2023 Dimitrov, S. I. 0 Monotone generalized $\alpha$-nonexpansive mappings on $C\kern-1ptAT_{p}(0)$ spaces Tue, 24 Mar 2026 03:31:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7188 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7188 Hacıoǧlu, Emirhan Стаття 2023 Hacıoǧlu, Emirhan 0 On a property of the arithmetic means of monotonous sequences Tue, 24 Mar 2026 03:31:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7151 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7151 Korenovskyi, A. O. Стаття 2022 Korenovskyi, A. O. 0 Widths of classes of functions in the weight space $L_{2,\gamma}(\mathbb{R}), \gamma=\exp(-x^2)$ Tue, 24 Mar 2026 03:31:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7147 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7147 Vakarchuk, S. B. Стаття 2022 Vakarchuk, S. B. 0 Uncertainty principles for the $q$-Hankel–Stockwell transform Tue, 24 Mar 2026 03:31:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7166 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7166 Brahim, Kamel Стаття 2023 Brahim, Kamel 0 Volodymyr Leonidovych Makarov (on his 80th birthday) Tue, 24 Mar 2026 03:31:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7142 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7142 Lukovs’kyi , I. O. Стаття 2022 Lukovs’kyi , I. O. 0 Approximation of holomorphic functions by Cesàro means Tue, 24 Mar 2026 03:31:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7143 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7143 Rovenska , O. G. Стаття 2022 Rovenska , O. G. 0 Almost everywhere convergence of $T$ means with respect to the Vilenkin system of integrable functions Tue, 24 Mar 2026 03:31:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7163 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7163 Nadirashvili, N. Стаття 2023 Nadirashvili, N. 0 Approximation by Fourier sums in classes of Weyl – Nagy differentiable functions with high exponent of smoothness Tue, 24 Mar 2026 03:31:39 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7136 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7136 Serdyuk, A. S. Стаття 2022 Serdyuk, A. S. 0 Wiman-type inequality in multiple-circular domains: Lévy’s phenomenon and exceptional sets Tue, 24 Mar 2026 03:31:39 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7137 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7137 Kuryliak, A. O. Стаття 2022 Kuryliak, A. O. 0 Ihor Oleksandrovych Shevchuk (on his 75th birthday) Tue, 24 Mar 2026 03:31:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7139 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7139 Lukovsky , I. A. Стаття 2022 Lukovsky , I. A. 0 Approximation of classes of periodic functions in one and many variables from the Nikol’skii – Besov and Sobolev spaces Tue, 24 Mar 2026 03:31:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7141 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7141 Romanyuk, A. S. Стаття 2022 Romanyuk, A. S. 0 Frequency locking of periodic solutions to differential equations with impulsive perturbations Tue, 24 Mar 2026 03:31:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7138 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7138 Dvornyk, A. V. Стаття 2022 Dvornyk, A. V. 0 Time-dependent source identification problem for a fractional Schrödinger equation with the Riemann–Liouville derivative Tue, 24 Mar 2026 03:31:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7155 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7155 Ashurov, Ravshan Стаття 2023 Ashurov, Ravshan 0 Special exponential functions on lattices of simple Lie groups and allotropic modifications of carbon Tue, 24 Mar 2026 03:31:35 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7130 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7130 Nesterenko, M. O. Стаття 2022 Nesterenko, M. O. 0 Quaternionic Davis–Wielandt shell in a right quaternionic Hilbert space Tue, 24 Mar 2026 03:31:34 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7146 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7146 Jeribi, Aref Стаття 2023 Jeribi, Aref 0 Тhe concept of topological well-ordered space Tue, 24 Mar 2026 03:31:33 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7145 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7145 Kandemir, Mustafa Burç Стаття 2023 Kandemir, Mustafa Burç 0 Fine-grained evaluations of the best estimates for smooth functions in $C_{2\pi}$ in terms of linear combinations of modules of continuity of their derivatives Tue, 24 Mar 2026 03:31:32 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7124 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7124 Babich, Yu. P. Стаття 2022 Babich, Yu. P. 0 On one Reverse asymptotic equality Tue, 24 Mar 2026 03:31:30 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7111 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7111 Motorna, O. V. Стаття 2022 Motorna, O. V. 0 Existence and compactness of solution of semilinear integro-differential equations with finite delay Tue, 24 Mar 2026 03:31:28 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7106 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7106 Sahraoui, F. Стаття 2022 Sahraoui, F. 0 Some refinements of the Hermite–Hadamard inequality with the help of weighted integrals Tue, 24 Mar 2026 03:31:28 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7126 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7126 Bayraktar, B. Стаття 2023 Bayraktar, B. 0 Two-dimensional generalization of the Thron–Jones theorem on the parabolic domains of convergence of continued fractions Tue, 24 Mar 2026 03:31:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7096 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7096 Bilanyk, I. B. Стаття 2022 Bilanyk, I. B. 0 Approximations of the Mittag-Leffler operator function with exponential accuracy and their application to solving of evolution equations with fractional derivative in time Tue, 24 Mar 2026 03:31:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7097 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7097 Gavrilyuk , I. P. Стаття 2022 Gavrilyuk , I. P. 0 An interpolatory estimate for copositive polynomial approximations of continuous functions Tue, 24 Mar 2026 03:31:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7103 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7103 Dzyubenko, G. A. Стаття 2022 Dzyubenko, G. A. 0 Oleksandr Mykolaiovych Sharkovs’kyi (on his 85th birthday) Tue, 24 Mar 2026 03:31:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7105 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7105 Редколегія, . Стаття 2022 Редколегія, . 0 Impulsive Dirac system on time scales Tue, 24 Mar 2026 03:31:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7120 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7120 Allahverdiev, Bilender P. Стаття 2023 Allahverdiev, Bilender P. 0 Complex Hessian-type equations in the weighted $m$-subharmonic class Tue, 24 Mar 2026 03:31:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7122 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7122 Zaway, Mohamed Стаття 2023 Zaway, Mohamed 0 More on stability of two functional equations Tue, 24 Mar 2026 03:31:26 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7121 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7121 Sun, Longfa Стаття 2023 Sun, Longfa 0 On the existence of solutions of quasilinear Beltrami equations with two characteristics Tue, 24 Mar 2026 03:31:25 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7088 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7088 Dovhopiatyi , O. P. Стаття 2022 Dovhopiatyi , O. P. 0 On the mean value of the generalized Dedekind sum and certain generalized Hardy sums weighted by the Kloosterman sum Tue, 24 Mar 2026 03:31:25 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7112 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7112 Dağlı, Muhammet Cihat Стаття 2023 Dağlı, Muhammet Cihat 0 Local properties of entire functions of bounded index in a frame Tue, 24 Mar 2026 03:31:24 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7083 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7083 Bandura, A. I. Стаття 2022 Bandura, A. I. 0 Bounded and summable solutions of a difference equation with piecewise constant operator coefficients Tue, 24 Mar 2026 03:31:24 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7087 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7087 Horodnii , М. F. Стаття 2022 Horodnii , М. F. 0 Periodic and weakly periodic ground states corresponding to the subgroups of index three for the Ising model on the Cayley tree of order three Tue, 24 Mar 2026 03:31:23 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7108 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7108 Egamov, Dilshod O. Стаття 2023 Egamov, Dilshod O. 0 Best orthogonal trigonometric approximations of the Nikol'skii – Besov-type classes of periodic functions in the space $B_{\infty,1}$ Tue, 24 Mar 2026 03:31:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7070 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7070 Hembars’ka, S. B. Стаття 2022 Hembars’ka, S. B. 0 No Jackson-type estimates for piecewise $q$-monotone, $q\ge3$, trigonometric approximation Tue, 24 Mar 2026 03:31:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7081 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7081 Leviatan , D. Стаття 2022 Leviatan , D. 0 On some conditions for the second moduli of continuity Tue, 24 Mar 2026 03:31:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7068 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7068 Chaikovs’kyi, A. V. Стаття 2022 Chaikovs’kyi, A. V. 0 Coefficient estimates for starlike and convex functions related to sigmoid functions Tue, 24 Mar 2026 03:31:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7093 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7093 Raza, M. Стаття 2023 Raza, M. 0 Pointwise estimation of sign-preserving polynomial approximation on arcs in the complex plane Tue, 24 Mar 2026 03:31:15 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7057 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7057 Shchehlov, M. V. Стаття 2022 Shchehlov, M. V. 0 On the Gelfond – Leont’ev – Sǎlǎgean and Gelfond – Leont’ev – Ruscheweyh operators and analytic continuation of functions Tue, 24 Mar 2026 03:31:15 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7058 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7058 Sheremeta , M. M Стаття 2022 Sheremeta , M. M 0 Index of volume 73 of „Ukrainian Mathematical Journal” Tue, 24 Mar 2026 03:31:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7046 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7046 Editorial board, . Стаття 2021 Editorial board, . 0 On the growth of derivatives of algebraic polynomials in a weighted Lebesgue space Tue, 24 Mar 2026 03:31:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7052 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7052 Аbdullayev, F. G. Стаття 2022 Аbdullayev, F. G. 0 Local distance antimagic chromatic number for the union of star and double star graphs Tue, 24 Mar 2026 03:31:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7075 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7075 Priyadharshini, V. Стаття 2023 Priyadharshini, V. 0 Direct and inverse approximation theorems in the Besicovitch – Musielak – Orlicz spaces of almost periodic functions Tue, 24 Mar 2026 03:31:13 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7045 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7045 Chaichenko , S. O. Стаття 2022 Chaichenko , S. O. 0 Practical semiglobal uniform exponential stability of nonlinear nonautonomous systems Tue, 24 Mar 2026 03:31:13 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7071 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7071 Kicha, A. Стаття 2023 Kicha, A. 0 Conditional and hidden infinite-dimensional symmetries of wave equations Tue, 24 Mar 2026 03:31:12 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7035 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7035 Yehorchenko , I. A. Стаття 2022 Yehorchenko , I. A. 0 On a property of moduli of smoothness with Jacobi weights Tue, 24 Mar 2026 03:31:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7034 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7034 Nesterenko, O. N. Стаття 2022 Nesterenko, O. N. 0