Results for

Results for Showing 6051 - 6100 results of 311162 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=122&type=Series&lng=en 311162 6050 50 Cubic rings and their ideals Tue, 24 Mar 2026 02:32:06 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2880 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2880 Drozd, Yu. A. Article 2010 Drozd, Yu. A. 0 On the strong matrix Hamburger moment problem Tue, 24 Mar 2026 02:32:06 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2881 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2881 Zagorodnyuk, S. M. Article 2010 Zagorodnyuk, S. M. 0 On the modularity of a lattice of $τ$-closed $n$-ultiply $ω$-composite formations Tue, 24 Mar 2026 02:32:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2879 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2879 Vorob'ev, N. N. Article 2010 Vorob'ev, N. N. 0 Kernels of derivations of polynomial rings and Casimir elements Tue, 24 Mar 2026 02:32:03 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2878 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2878 Bedratyuk, L. P. Article 2010 Bedratyuk, L. P. 0 One-sided approximation of a step by algebraic polynomials in the mean Tue, 24 Mar 2026 02:32:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2876 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2876 Motornaya, O. V. Article 2010 Motornaya, O. V. 0 Best approximation by ridge functions in $L_p$-spaces Tue, 24 Mar 2026 02:32:01 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2875 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2875 Maiorov, V. E. Article 2010 Maiorov, V. E. 0 On relative widths of classes of differentiable functions. II Tue, 24 Mar 2026 02:32:01 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2877 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2877 Subbotin, Yu. N. Article 2010 Subbotin, Yu. N. 0 On one result of J. Bourgain Tue, 24 Mar 2026 02:31:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2872 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2872 Konyagin, S. V. Article 2010 Konyagin, S. V. 0 Are the degrees of the best (co)convex and unconstrained polynomial approximations the same? II Tue, 24 Mar 2026 02:31:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2873 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2873 Kopotun, K. A. Article 2010 Kopotun, K. A. 0 Quantitative form of the Luzin $C$-property Tue, 24 Mar 2026 02:31:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2874 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2874 Krotov, V. G. Article 2010 Krotov, V. G. 0 On Hankel determinants of functions given by their expansions in $P$-fractions Tue, 24 Mar 2026 02:31:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2870 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2870 Buslaev, V. I. Article 2010 Buslaev, V. I. 0 On the relation between measures defining the Stieltjes and the inverted Stieltjes functions Tue, 24 Mar 2026 02:31:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2871 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2871 Gilewicz, J. Article 2010 Gilewicz, J. 0 Sharp Kolmogorov-type inequalities for norms of fractional derivatives of multivariate functions Tue, 24 Mar 2026 02:31:54 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2869 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2869 Babenko, V. F. Article 2010 Babenko, V. F. 0 Algebraic polynomials least deviating from zero in measure on a segment Tue, 24 Mar 2026 02:31:52 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2868 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2868 Arestov, V. V. Article 2010 Arestov, V. V. 0 On conditions for the discreteness of the spectrum of a semiinfinite Jacobi matrix with zero diagonal Tue, 24 Mar 2026 02:31:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2866 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2866 Masmaliev, G. M. Article 2010 Masmaliev, G. M. 0 Letter to the editor Tue, 24 Mar 2026 02:31:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2867 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2867 Savchuk, V. V. Article 2010 Savchuk, V. V. 0 Integral representation of even positive-definite functions of one variable Tue, 24 Mar 2026 02:31:49 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2865 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2865 Lopotko, O. V. Article 2010 Lopotko, O. V. 0 Example of a function of two variables that cannot be an $R$-function Tue, 24 Mar 2026 02:31:47 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2863 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2863 Velichko, I. G. Article 2010 Velichko, I. G. 0 Block-diagonal reduction of matrices over an $n$-simple Bézout domain $(n ≥ 3)$ Tue, 24 Mar 2026 02:31:47 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2864 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2864 Domsha, O.V. Article 2010 Domsha, O.V. 0 Nonuniqueness of the solution of the gellerstedt space problem for one class of many-dimensional hyperbolic-elliptic equations Tue, 24 Mar 2026 02:31:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2862 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2862 Aldashev, S. A. Article 2010 Aldashev, S. A. 0 Expansion of functions in a system of polynomials biorthogonal on a closed contour with a system of functions regular at infinitely remote point Tue, 24 Mar 2026 02:31:44 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2860 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2860 Sukhorolskyi, M. A. Article 2010 Sukhorolskyi, M. A. 0 On the sets of branch points of mappings more general than quasiregular Tue, 24 Mar 2026 02:31:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2858 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2858 Sevost'yanov, E. A. Article 2010 Sevost'yanov, E. A. 0 On closed-form solutions of triple series equations involving Laguerre polynomials Tue, 24 Mar 2026 02:31:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2859 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2859 Dhaliwal, R.S. Article 2010 Dhaliwal, R.S. 0 Quadruples of orthoprojectors connected by a linear relationship Tue, 24 Mar 2026 02:31:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2861 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2861 Yusenko, A. A. Article 2010 Yusenko, A. A. 0 On ∗-representations of deformations of canonical anticommutation relations Tue, 24 Mar 2026 02:31:41 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2857 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2857 Proskurin, D. P. Article 2010 Proskurin, D. P. 0 Asymptotic analysis of phase averaging of a transport process Tue, 24 Mar 2026 02:31:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2855 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2855 Pogorui, A. О. Article 2010 Pogorui, A. О. 0 Solvability criterion and representation of solutions of $n$-normal and $d$-normal linear operator equations in a Banach space Tue, 24 Mar 2026 02:31:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2853 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2853 Zhuravlev, V. F. Article 2010 Zhuravlev, V. F. 0 On generalization of $⊕$-cofinitely supplemented modules Tue, 24 Mar 2026 02:31:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2854 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2854 Nisanci, B. Article 2010 Nisanci, B. 0 New equations of infinitesimal deformations of surfaces in $E_3$ Tue, 24 Mar 2026 02:31:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2856 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2856 Potapenko, I. V. Article 2010 Potapenko, I. V. 0 On the maximal operator of $(C, α)$-means of Walsh–Kaczmarz–Fourier series Tue, 24 Mar 2026 02:31:35 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2852 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2852 Goginava, U. Article 2010 Goginava, U. 0 On the theory of hyper-$Q$-homeomorphisms Tue, 24 Mar 2026 02:31:32 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2850 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2850 Kovtonyuk, D. A. Article 2010 Kovtonyuk, D. A. 0 On the order of relative approximation of classes of differentiable periodic functions by splines Tue, 24 Mar 2026 02:31:32 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2851 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2851 Babenko, V. F. Article 2010 Babenko, V. F. 0 Right Bézout ring with waist is a right Hermite ring Tue, 24 Mar 2026 02:31:31 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2849 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2849 Gatalevych, A. I. Article 2010 Gatalevych, A. I. 0 Approximations of classes $B^{Ω}_{p,θ}$ of functions of many variables by entire functions in the space $L_q (R^d)$ Tue, 24 Mar 2026 02:31:30 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2848 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2848 Yanchenko, S. Ya. Article 2010 Yanchenko, S. Ya. 0 Best $m$-term trigonometric approximation for the classes $B^r_{p,θ}$ of functions of low smoothness Tue, 24 Mar 2026 02:31:29 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2846 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2846 Stasyuk, S. A. Article 2010 Stasyuk, S. A. 0 Inverse problem of spectral analysis of conflict dynamical systems Tue, 24 Mar 2026 02:31:29 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2847 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2847 Kharchenko, N. V. Article 2010 Kharchenko, N. V. 0 Conditions for the existence of solutions of real nonautonomous systems of quasilinear differential equations vanishing at a singular point Tue, 24 Mar 2026 02:31:28 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2843 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2843 Evtukhov, V. M. Article 2010 Evtukhov, V. M. 0 System of sticking diffusion particles of variable mass Tue, 24 Mar 2026 02:31:28 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2845 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2845 Konarovskyi, V. V. Article 2010 Konarovskyi, V. V. 0 Behavior of an almost semicontinuous Poisson process on a Markov chain upon attainment of a level Tue, 24 Mar 2026 02:31:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2844 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2844 Karnaukh, E. V. Article 2010 Karnaukh, E. V. 0 On the theory of the third-order equation with multiple characteristics containing the second time derivative Tue, 24 Mar 2026 02:31:26 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2842 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2842 Apakov, Yu. P. Article 2010 Apakov, Yu. P. 0 Solvability of the boundary-value problem for the second-order elliptic differential-operator equation with spectral parameter in the equation and boundary conditions Tue, 24 Mar 2026 02:31:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2839 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2839 Aliev, B. A. Article 2010 Aliev, B. A. 0 Structure of finite inverse semigroup with zero, in which every stable order is fundamental or antifundamental Tue, 24 Mar 2026 02:31:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2841 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2841 Derech, V. D. Article 2010 Derech, V. D. 0 Periodic solutions of “predator–prey” systems with continuous delay and periodic coefficients Tue, 24 Mar 2026 02:31:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2840 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2840 Borzdyko, V. I. Article 2010 Borzdyko, V. I. 0 Index of volume 63 of „Ukrainian Mathematical Journal” Tue, 24 Mar 2026 02:31:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2838 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2838 EditorialBoard Article 2011 EditorialBoard 0 Regularity of growth of fourier coefficients of entire functions of improved regular growth Tue, 24 Mar 2026 02:31:17 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2837 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2837 Khats’, R. V. Article 2011 Khats’, R. V. 0 Inequalities for trigonometric polynomials in spaces with integral metric Tue, 24 Mar 2026 02:31:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2832 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2832 Pichugov, S. A. Article 2011 Pichugov, S. A. 0 Existence and exponential stability of periodic solution for fuzzy BAM neural networks with periodic coefficient Tue, 24 Mar 2026 02:31:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2834 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2834 Slyusarchuk, V. Yu. Article 2011 Slyusarchuk, V. Yu. 0 Approximation of analytic functions by Bessel functions of fractional order Tue, 24 Mar 2026 02:31:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2835 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2835 Jung, S.-M. Article 2011 Jung, S.-M. 0 Generalization of Rubel's result for operators Tue, 24 Mar 2026 02:31:15 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2836 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2836 Linchuk, Yu. S. Article 2011 Linchuk, Yu. S. 0 Existence and exponential stability of periodic solution for fuzzy BAM neural networks with periodic coefficient Tue, 24 Mar 2026 02:31:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2833 https://harvester.nas.gov.ua/Record/umjimathkievua-article-2833 Dai-xi, Liao Article 2011 Dai-xi, Liao 0