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Found 4,917 Documents (Results 1–100)

On some problems for partial differential equations with a small parameter in the principal part. (English. Russian original) Zbl 07831280

J. Math. Sci., New York 279, No. 5, 623-634 (2024); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 183, 61-72 (2020).
MSC:  35B25 35J25 35L20
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A nonlinear damped transmission problem as limit of wave equations with concentrating nonlinear terms away from the boundary. (English) Zbl 1532.35290

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The Tricomi-Neymann problem for a three-dimensional mixed-type equation with singular coefficients. (Russian. English summary) Zbl 07842780

Vladikavkaz. Mat. Zh. 25, No. 4, 120-134 (2023); translation in Sib. Math. J. 65, No. 3, 725-736 (2024).
MSC:  35M10 35M12
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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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Contrast structures in the reaction-advection-diffusion problem appearing in a drift-diffusion model of a semiconductor in the case of nonsmooth reaction. (English. Russian original) Zbl 1522.34080

Theor. Math. Phys. 215, No. 3, 769-783 (2023); translation from Teor. Mat. Fiz. 215, No. 3, 360-376 (2023).
MSC:  34E15 34B15 34E05
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Approximate solution of an inverse problem for a singularly perturbed integro-differential heat equation. (English. Russian original) Zbl 1518.35667

Comput. Math. Math. Phys. 63, No. 5, 837-844 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 5, 795-802 (2023).
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