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Results for Showing 2651 - 2700 results of 310800 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&page=54&type=Subject&lng=en 310800 2650 50 On regularity of linear systems with a degenerate matrix by the derivative Tue, 24 Mar 2026 03:22:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5810 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5810 Symокоп, V. G. Article 1993 Symокоп, V. G. 0 On passive and active algorithms of reconstruction of functions Tue, 24 Mar 2026 03:22:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5807 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5807 Korneichuk, N. P. Article 1993 Korneichuk, N. P. 0 On asymptotics of the potential of a countable ergodic Markov chain Tue, 24 Mar 2026 03:22:18 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5808 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5808 Moskal'tsova, N. V. Article 1993 Moskal'tsova, N. V. 0 Semimartingales with values on groups and Lie algebras Tue, 24 Mar 2026 03:22:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5806 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5806 Kovalchuk, L. V. Article 1993 Kovalchuk, L. V. 0 $k$-Snakes in finite-order interpolational classes of functions Tue, 24 Mar 2026 03:22:15 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5805 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5805 Ivashchuk, Ya. G. Article 1993 Ivashchuk, Ya. G. 0 On periodic and bounded solutions of the operator Riccati equation Tue, 24 Mar 2026 03:22:13 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5804 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5804 Dorogovtsev, A. Ya. Article 1993 Dorogovtsev, A. Ya. 0 On the structure of sets of $ σ$-monogeneity for continuous functions Tue, 24 Mar 2026 03:22:12 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5802 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5802 Bondar, A. V. Article 1993 Bondar, A. V. 0 On equicontinuous factors of linear extensions of minimal dynamical systems Tue, 24 Mar 2026 03:22:12 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5803 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5803 Glavan, V. A. Article 1993 Glavan, V. A. 0 On N. N. Bogolyubov's works in classical and quantum statistical mechanics Tue, 24 Mar 2026 03:22:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5798 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5798 Mitropolskiy, Yu. A. Article 1993 Mitropolskiy, Yu. A. 0 Description of bilateral ideals in a class of noncommutative rings. I Tue, 24 Mar 2026 03:22:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5800 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5800 Bavula, V. V. Article 1993 Bavula, V. V. 0 Weakly nonlinear boundary-value problems for differential systems with pulse influence Tue, 24 Mar 2026 03:22:10 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5801 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5801 Boichuk, О. A. Article 1993 Boichuk, О. A. 0 Estimates of stability of desynchronized systems Tue, 24 Mar 2026 03:22:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5797 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5797 Stadnik, O. I. Article 1993 Stadnik, O. I. 0 Periodic solutions of strongly nonlinear systems with nonclassical right-hand side in the case of a family of generating solutions Tue, 24 Mar 2026 03:22:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5799 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5799 Akhmetov, M. U. Article 1993 Akhmetov, M. U. 0 Lower bound for the area of an analytic curve inside a cube in the space $ℂ^n$ Tue, 24 Mar 2026 03:22:07 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5796 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5796 Ronkin, L. I. Article 1993 Ronkin, L. I. 0 Method of partial averaging in the systems of standard form with discontinuous right-hand sides Tue, 24 Mar 2026 03:22:06 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5794 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5794 Zverkova, T. S. Article 1993 Zverkova, T. S. 0 Minimal Morse functions on a pair of manifolds Tue, 24 Mar 2026 03:22:06 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5795 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5795 Prishlyak, O. O. Article 1993 Prishlyak, O. O. 0 Theorem on integral inequalities with functional argument Tue, 24 Mar 2026 03:22:03 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5793 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5793 Musaev, V. M. Article 1993 Musaev, V. M. 0 Invariance principle for the least squares estimates Tue, 24 Mar 2026 03:22:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5791 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5791 Koval', T. L. Article 1993 Koval', T. L. 0 Fluctuations of forced vibrations in a medium with resistance Tue, 24 Mar 2026 03:22:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5792 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5792 Kovtun, I. I. Article 1993 Kovtun, I. I. 0 Complete integrability of a hydrodynamic Navier-Stokes model of the flow in a two-dimensional incompressible ideal liquid with a free surface Tue, 24 Mar 2026 03:22:00 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5786 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5786 Samoilenko, V. G. Article 1993 Samoilenko, V. G. 0 KP hierarchy and (1+1)-dimensional multicomponent integrable systems Tue, 24 Mar 2026 03:22:00 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5787 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5787 Sidorenko, Yu. M. Article 1993 Sidorenko, Yu. M. 0 On linear almost periodic pulse systems Tue, 24 Mar 2026 03:22:00 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5788 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5788 Tkachenko, V. I. Article 1993 Tkachenko, V. I. 0 A Kolmogorov type criterion for the best approximating operator Tue, 24 Mar 2026 03:21:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5789 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5789 Tyrygin, I. Ya. Article 1993 Tyrygin, I. Ya. 0 Some inverse problems for parabolic and elliptic differential-operator equations Tue, 24 Mar 2026 03:21:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5790 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5790 Eydelman, S. D. Article 1993 Eydelman, S. D. 0 Variables of the action-angle type on symplectic manifolds stratified by coisotropic tori Tue, 24 Mar 2026 03:21:58 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5785 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5785 Parasyuk, I. O. Article 1993 Parasyuk, I. O. 0 Construction of unital matrix polynomials with mutually distinct characteristic roots Tue, 24 Mar 2026 03:21:57 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5784 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5784 Mel'nyk, O. M. Article 1993 Mel'nyk, O. M. 0 Transformations and inertia of solutions to linear matrix equations Tue, 24 Mar 2026 03:21:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5783 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5783 Mazko, A. G. Article 1993 Mazko, A. G. 0 On asymptotic normality of the least square estimators of an infinite-dimensional parameter Tue, 24 Mar 2026 03:21:54 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5781 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5781 Dorogovtsev, A. Ya. Article 1993 Dorogovtsev, A. Ya. 0 Estimates of the Bernstein widths and their analogs Tue, 24 Mar 2026 03:21:54 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5782 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5782 Kushpel, A. K. Article 1993 Kushpel, A. K. 0 Uniform estimates for monotonic polynomial approximation Tue, 24 Mar 2026 03:21:51 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5780 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5780 Dzyubenko, H. A. Article 1993 Dzyubenko, H. A. 0 Szego-Kolmogorov-Krein theorems on weighted trigonometrical approximation and Carleman-type relations Tue, 24 Mar 2026 03:21:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5773 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5773 Bart, V. A. Article 1994 Bart, V. A. 0 On the commutant of a multiplication operator and conditions of invertibility of its elements Tue, 24 Mar 2026 03:21:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5777 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5777 Berezovsky, N. I. Article 1993 Berezovsky, N. I. 0 On approximation of convolution classes Tue, 24 Mar 2026 03:21:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5778 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5778 Bushev, D. M. Article 1993 Bushev, D. M. 0 Reconstruction of linear functionals on classes of analytic functions of two variables on the basis of generalized information Tue, 24 Mar 2026 03:21:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5779 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5779 Vakarchuk, S. B. Article 1993 Vakarchuk, S. B. 0 On M. G. Krein's work in the theory of linear periodic Hamiltonian systems Tue, 24 Mar 2026 03:21:49 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5774 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5774 Yakubovich, V. A. Article 1994 Yakubovich, V. A. 0 Bernstein-type inequalities for $\mathcal{L}$-splines Tue, 24 Mar 2026 03:21:49 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5776 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5776 Babenko, V. F. Article 1993 Babenko, V. F. 0 On connectedness of derivative sets Tue, 24 Mar 2026 03:21:47 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5775 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5775 Alikulov, E. O. Article 1993 Alikulov, E. O. 0 On M. G. Krein's contribution to the moment problem Tue, 24 Mar 2026 03:21:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5770 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5770 Nudel'man, A. A. Article 1994 Nudel'man, A. A. 0 M. G. Krein's investigations in the theory of entire and meromorphic functions and their further development Tue, 24 Mar 2026 03:21:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5772 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5772 Ostrovskii, I. V. Article 1994 Ostrovskii, I. V. 0 M. G. Krein's ideas in the theory of orthogonal polynomials Tue, 24 Mar 2026 03:21:45 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5771 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5771 Osilenker, B. P. Article 1994 Osilenker, B. P. 0 Theory of self-adjoint extensions of symmetric operators. entire operators and boundary-value problems Tue, 24 Mar 2026 03:21:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5769 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5769 Gorbachuk, V. I. Article 1994 Gorbachuk, V. I. 0 On M. G. Krein's papers in the theory of spaces with an indefinite metric Tue, 24 Mar 2026 03:21:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5766 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5766 Azizov, T. Ya. Article 1994 Azizov, T. Ya. 0 New aspects of Krein's extension theory Tue, 24 Mar 2026 03:21:42 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5768 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5768 Brasche, J. F. Article 1994 Brasche, J. F. 0 On time dependent orthogonal polynomials on the unit circle Tue, 24 Mar 2026 03:21:41 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5767 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5767 Ben-Artzi, A. Article 1994 Ben-Artzi, A. 0 Estimation of the solutions of the Sturm-Liouville equation Tue, 24 Mar 2026 03:21:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5760 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5760 Levin, B. Ya. Article 1994 Levin, B. Ya. 0 Factorization of operators. Theory and applications Tue, 24 Mar 2026 03:21:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5762 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5762 Sakhnovich, L. A. Article 1994 Sakhnovich, L. A. 0 Mark Grigor'evich Krein Tue, 24 Mar 2026 03:21:38 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5765 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5765 Mitropolskiy, Yu. A. Article 1994 Mitropolskiy, Yu. A. 0 Uniqueness of solutions of boundary-value problems for operator-differential equations on a finite segment and on a semiaxis Tue, 24 Mar 2026 03:21:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5761 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5761 Radzievskii, G. V. Article 1994 Radzievskii, G. V. 0 A relation between two results about entire functions of exponential type Tue, 24 Mar 2026 03:21:36 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5759 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5759 Koosis, P. Article 1994 Koosis, P. 0 Mark Grigor'evich Krein (recollections) Tue, 24 Mar 2026 03:21:36 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5763 https://harvester.nas.gov.ua/Record/umjimathkievua-article-5763 Levin, B. Ya. Article 1994 Levin, B. Ya. 0