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Found 3,730 Documents (Results 1–100)

Asymptotics of solutions to the periodic problem for the nonlinear damped wave equation with convective nonlinearity. (English) Zbl 07816732

MSC:  35L71 35L20 35B40
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On Barenblatt-Zeldovich intermediate asymptotics. (English. Russian original) Zbl 07820593

Dokl. Math. 108, No. 3, 454-458 (2023); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 514, No. 1, 39-43 (2023).
MSC:  35R11 35B40 47D06
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Conditional cost function and necessary optimality conditions for infinite horizon optimal control problems. (English. Russian original) Zbl 07820588

Dokl. Math. 108, No. 3, 425-430 (2023); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 514, No. 1, 5-11 (2023).
MSC:  49K10 49K15
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Asymptotics of a solution to an optimal control problem with a terminal convex performance index and a perturbation of the initial data. (English. Russian original) Zbl 1532.49026

Proc. Steklov Inst. Math. 323, Suppl. 1, S85-S97 (2023); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 29, No. 2, 41-53 (2023).
MSC:  49K10
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Asymptotic analysis of boundary-value problems for the Laplace operator with frequently alternating type of boundary conditions. (English. Russian original) Zbl 07800790

J. Math. Sci., New York 277, No. 6, 841-958 (2023); translation from Sovrem. Mat., Fundam. Napravl. 67, No. 1, 14-129 (2021).
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Parasitic eigenvalues of spectral problems for the Laplacian with third-type boundary conditions. (English. Russian original) Zbl 1532.35321

Comput. Math. Math. Phys. 63, No. 7, 1237-1253 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 7, 1128-1144 (2023).
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Asymptotics of a solution to an optimal control problem with integral convex performance index, cheap control, and initial data perturbations. (English. Russian original) Zbl 1522.49017

Proc. Steklov Inst. Math. 321, Suppl. 1, S69-S77 (2023); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 29, No. 1, 67-76 (2023).
MSC:  49K10 93B05
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‘Far interaction’ of small spectral perturbations of the Neumann boundary conditions for an elliptic system of differential equations in a three-dimensional domain. (English. Russian original) Zbl 1522.35229

Sb. Math. 214, No. 1, 58-107 (2023); translation from Mat. Sb. 214, No. 1, 61-112 (2023).
MSC:  35J57 35P20
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The Maxwell system in nonhomogeneous anisotropic waveguides with slowly stabilizing characteristics of the filling medium. (English. Russian original) Zbl 1519.35311

St. Petersbg. Math. J. 34, No. 4, 635-693 (2023); translation from Algebra Anal. 34, No. 4, 107-187 (2022).
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Stability of a stationary solution of a system of activator-inhibitor-type equations with a double-scale internal transition layer. (English. Russian original) Zbl 1520.34056

Theor. Math. Phys. 215, No. 2, 691-708 (2023); translation from Teor. Mat. Fiz. 215, No. 2, 269-288 (2023).
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The spectral properties of a two-term fourth-order operator with a spectral parameter in the boundary condition. (English. Russian original) Zbl 1521.34020

Sib. Math. J. 64, No. 3, 649-669 (2023); translation from Sib. Mat. Zh. 64, No. 3, 611-634 (2023).
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Optimal control problem for a differential inclusion with rapidly oscillating coefficients on the semiaxis. (English. Ukrainian original) Zbl 1515.49006

J. Math. Sci., New York 272, No. 2, 267-277 (2023); translation from Neliniĭni Kolyvannya 24, No. 3, 363-372 (2021).
MSC:  49J21 49K21 93C30
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The Pontryagin maximum principle for optimal control problem with an asymptotic endpoint constraint under weak regularity assumptions. (English. Russian original) Zbl 1515.49014

J. Math. Sci., New York 270, No. 4, 531-546 (2023); translation from Probl. Mat. Anal. 122, 25-38 (2023).
MSC:  49K15 91B62
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