Результати для "partial differential equations"

Результати для "partial differential equations" Показ 1 - 50 результатів із 1158 Laminas_Feed_Writer 2 (https://getlaminas.org) https://harvester.nas.gov.ua/Search/Results?sort=last_indexed+desc&limit=50&lookfor=%22partial+differential+equations%22&type=AllFields&lng=uk 1158 0 50 Mutual spectrum of commutating conjugate operators and correctness and stability criteria for differential-operator equations Tue, 24 Mar 2026 03:46:21 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-9623 https://harvester.nas.gov.ua/Record/umjimathkievua-article-9623 Shklyar , A. Ya. Стаття 1991 Shklyar , A. Ya. 0 Kazdan–Warner equation on hypergraphs Tue, 24 Mar 2026 03:44:26 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-9163 https://harvester.nas.gov.ua/Record/umjimathkievua-article-9163 Zhang, Haigang Стаття 2026 Zhang, Haigang 0 Approximation method in one boundary problem with partial derivatives Tue, 24 Mar 2026 03:42:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8842 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8842 Sinaisky, E. S. Стаття 1990 Sinaisky, E. S. 0 Application of functions from multidimensional matrices to solution of systems of linear partial differential equations of higher orders Tue, 24 Mar 2026 03:40:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8583 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8583 Sokolov, N. P. Стаття 1971 Sokolov, N. P. 0 On asymptotic representation of solutions for a system of linear partial differential equations with time lag Tue, 24 Mar 2026 03:39:58 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8500 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8500 Feshchenko, S. F. Стаття 1971 Feshchenko, S. F. 0 Theorem of the «fork» in Cauchy’s problem for nonlinear partial differential equations of higher orders Tue, 24 Mar 2026 03:38:56 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8438 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8438 Kovach, Y. I. Стаття 1966 Kovach, Y. I. 0 Theorems on the average values and non-oscillating character of the solutions of the partial differential equations in the spaces $E^n$ and $P^n$ Tue, 24 Mar 2026 03:37:48 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8248 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8248 Bugir, M.K. Стаття 2024 Bugir, M.K. 0 Averaging for partial differential equations whose coefficients are perturbed by jump Markov processes Tue, 24 Mar 2026 03:37:33 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8233 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8233 Kolomiets , Yu. V. Стаття 1992 Kolomiets , Yu. V. 0 A scheme of variable separation for matrix bilinear functional equation and its use Tue, 24 Mar 2026 03:36:57 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8170 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8170 Kalenyuk , P. I. Стаття 1992 Kalenyuk , P. I. 0 Conditional symmetry and reduction of differential equations with partial derivatives Tue, 24 Mar 2026 03:36:36 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8129 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8129 Fushchich , W. I. Стаття 1992 Fushchich , W. I. 0 One system of differential equations in partial derivatives of the second order Tue, 24 Mar 2026 03:36:23 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8113 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8113 Tasmambetov , Zh. N. Стаття 1992 Tasmambetov , Zh. N. 0 Study of properties of firmness of solutions of equations with partial derivatives by the method of separation of variables Tue, 24 Mar 2026 03:36:10 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8100 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8100 Bugir, M. K. Стаття 1992 Bugir, M. K. 0 A new approach to solution of the Focker-Plank-Kolmogorov equation tor random oscillatory nonlinear systems Tue, 24 Mar 2026 03:35:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8045 https://harvester.nas.gov.ua/Record/umjimathkievua-article-8045 Nguyen Tien Khiem Стаття 1992 Nguyen Tien Khiem 0 Space averaging in parabolic equations Tue, 24 Mar 2026 03:34:44 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7901 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7901 Kulinich , G. L. Стаття 1992 Kulinich , G. L. 0 One algebraic method to study stability of linear normal systems in partial derivatives Tue, 24 Mar 2026 03:34:33 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7889 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7889 Zhestkov , S. V. Стаття 1992 Zhestkov , S. V. 0 Exact solutions with generalized separation of variables for the nonlinear heat equation with a source Tue, 24 Mar 2026 03:33:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7700 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7700 Barannyk, A. Стаття 2024 Barannyk, A. 0 On the variational statement of one boundary-value problem with free interface Tue, 24 Mar 2026 03:32:55 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7650 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7650 Timokha, A. Стаття 2023 Timokha, A. 0 Upgrading the evolutionary approach to the study of forced oscillations in a resonator Tue, 24 Mar 2026 03:32:43 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7559 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7559 Erden, F. Стаття 2024 Erden, F. 0 Evolutionary pseudodifferential equations with smooth symbols in the $S$-type spaces Tue, 24 Mar 2026 03:32:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7443 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7443 Horodets’kyi, V. Стаття 2023 Horodets’kyi, V. 0 Cospectral quantum graphs in the case of Dirichlet conditions at pendant vertices Tue, 24 Mar 2026 03:32:23 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7351 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7351 Pivovarchik, V. Стаття 2023 Pivovarchik, V. 0 A fitted approximate method for solving singularly perturbed Volterra–Fredholm integro-differential equations with an integral boundary condition Tue, 24 Mar 2026 03:32:19 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7331 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7331 Gunes, Baransel Стаття 2024 Gunes, Baransel 0 Numerical bifurcation of a delayed diffusive hematopoiesis model with Dirichlet boundary condition Tue, 24 Mar 2026 03:32:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7295 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7295 Liu, Xueyang Стаття 2024 Liu, Xueyang 0 On the nonstandard maximum principle and its application for construction of monotone finite-difference schemes for multidimensional quasilinear parabolic equations Tue, 24 Mar 2026 03:32:09 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7273 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7273 Hieu, Le Minh Стаття 2024 Hieu, Le Minh 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 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 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 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 nonlocal symmetries of a system of chemotaxis equations with derivative nonlinearity Tue, 24 Mar 2026 03:31:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6997 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6997 Serov, M. I. Стаття 2022 Serov, M. I. 0 Lie-Backlund symmetry, reduction and solutions of nonlinear evolution equations Tue, 24 Mar 2026 03:31:04 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7007 https://harvester.nas.gov.ua/Record/umjimathkievua-article-7007 Rzeszut, W. Стаття 2022 Rzeszut, W. 0 On reduction of the (1+3)-dimensional inhomogeneous Monge-Ampère equation to the first-order partial differential equations Tue, 24 Mar 2026 03:31:03 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6996 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6996 Fedorchuk, V. M. Стаття 2022 Fedorchuk, V. M. 0 Nonlocal transformations with additional variables. Forced symmetries Tue, 24 Mar 2026 03:31:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6995 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6995 Tychynin, V. A. Стаття 2022 Tychynin, V. A. 0 Boundary-value problem for a class of nonlinear systems of partial differential equations of higher orders Tue, 24 Mar 2026 03:30:54 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6968 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6968 Kharibegashvili, S. S. Стаття 2022 Kharibegashvili, S. S. 0 Infinite order differential operators in the module of formal generalized functions and in a ring of formal power series Tue, 24 Mar 2026 03:30:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6955 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6955 Hefter, S. L. Стаття 2022 Hefter, S. L. 0 Monogenic functions with values in commutative complex algebras of the second rank with unity and the generalized biharmonic equation with double characteristics Tue, 24 Mar 2026 03:30:48 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6948 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6948 Gryshchuk , S. V. Стаття 2022 Gryshchuk , S. V. 0 Functional differential games with nonatomic difference operator Tue, 24 Mar 2026 03:30:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6895 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6895 Vlasenko, L. A. Стаття 2022 Vlasenko, L. A. 0 Calculating heat and wave propagation from lateral Cauchy data Tue, 24 Mar 2026 03:30:37 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6880 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6880 Chapko, R. Стаття 2022 Chapko, R. 0 The exact solutions with generalized separation of variables of the nonlinear heat equation Tue, 24 Mar 2026 03:29:40 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6667 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6667 Barannyk, A. F. Стаття 2022 Barannyk, A. F. 0 Index of volume 72 of „Ukrainian Mathematical Journal” Tue, 24 Mar 2026 03:28:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6485 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6485 Dichter, Elina Стаття 2020 Dichter, Elina 0 Logarithmic asymptotics of the nonlinear Cauchy – Riemann – Beltrami equation Tue, 24 Mar 2026 03:27:20 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6403 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6403 Salimov , R. R. Стаття 2021 Salimov , R. R. 0 Differential invariants, hidden and conditional symmetry Tue, 24 Mar 2026 03:27:16 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6377 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6377 Yehorchenko, I. A. Стаття 2021 Yehorchenko, I. A. 0 Pseudo almost periodic solutions in the alpha-norm and Stepanov's sense for some evolution equations Tue, 24 Mar 2026 03:27:02 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6315 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6315 Rebey, A. Стаття 2022 Rebey, A. 0 On regularization by a small noise of multidimensional ODEs with non-Lipschitz coefficients Tue, 24 Mar 2026 03:27:00 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6292 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6292 Pilipenko, A. Стаття 2020 Pilipenko, A. 0 Mixed problem for higher-order equations with fractional derivative and degeneration in both variables Tue, 24 Mar 2026 03:26:59 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6298 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6298 Irgashev, B. Yu. Стаття 2022 Irgashev, B. Yu. 0 On On the approximation of functions by Jacobi – Dunkl expansion in the weighted space $\mathbb{L}_{2}^{(\alpha,\beta)}$ Tue, 24 Mar 2026 03:26:50 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6275 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6275 Tyr, O. Стаття 2022 Tyr, O. 0 Admissible integral manifolds for partial neutral functional-differential equations Tue, 24 Mar 2026 03:26:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6257 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6257 Nguyen, Thieu Huy Стаття 2022 Nguyen, Thieu Huy 0 Asymptotic integration of singularly perturbed differential algebraic equations with turning points. Part I Tue, 24 Mar 2026 03:26:46 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6261 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6261 Samoilenko , A. M. Стаття 2020 Samoilenko , A. M. 0 Existence of a weak solution for a class of nonlinear elliptic equations on the Sierpiński gasket Tue, 24 Mar 2026 03:26:41 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6248 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6248 Badajena, A. K. Стаття 2022 Badajena, A. K. 0 Monogenic functions with values in сommutative сomplex algebras of the second rank with unit and generalized biharmonic equation with simple nonzero simple characteristics Tue, 24 Mar 2026 03:26:27 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6199 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6199 Gryshchuk , S. V. Стаття 2021 Gryshchuk , S. V. 0 Compensator design via the separation principle for a class of semilinear evolution equations Tue, 24 Mar 2026 03:26:14 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6152 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6152 Damak, H. Стаття 2022 Damak, H. 0 On the solvability of nonlinear ordinary differential equation in grand Lebesgue spaces Tue, 24 Mar 2026 03:26:11 +0000 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6146 https://harvester.nas.gov.ua/Record/umjimathkievua-article-6146 Bandaliyev, R. A. Стаття 2022 Bandaliyev, R. A. 0