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Found 1,284 Documents (Results 1–100)

On the relationship between the Pontryagin maximum principle and the Hamilton-Jacobi-Bellman equation in optimal control problems for fractional-order systems. (English. Russian original) Zbl 1531.49023

Differ. Equ. 59, No. 11, 1520-1526 (2023); translation from Differ. Uravn. 59, No. 11, 1515-1521 (2023).
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Assimilation of boundary data for reconstructing the absorption coefficient in a model of stationary reaction-convection-diffusion. (English. Russian original) Zbl 1522.35586

Proc. Steklov Inst. Math. 321, Suppl. 1, S138-S153 (2023); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 29, No. 2, 87-103 (2023).
MSC:  35R30 35J20 35J25
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Analytical-numerical method for analyzing small perturbations of geostrophic ocean currents with a general parabolic vertical profile of velocity. (English. Russian original) Zbl 1506.76201

Comput. Math. Math. Phys. 62, No. 12, 2058-2068 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 12, 2043-2053 (2022).
MSC:  76U60 76M45 86A05
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A new way of constructing a generalized solution to a mixed problem for a telegraph equation. (English. Russian original) Zbl 1503.35062

Mosc. Univ. Comput. Math. Cybern. 46, No. 3, 140-148 (2022); translation from Vestn. Mosk. Univ., Ser. XV 2022, No. 3, 42-54 (2022).
MSC:  35C10 35L05 35L20
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Backward iterations for solving integral equations with polynomial nonlinearity. (English. Russian original) Zbl 1505.65317

Vestn. St. Petersbg. Univ., Math. 55, No. 1, 16-26 (2022); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 9(67), No. 1, 23-36 (2022).
MSC:  65R20 65C05
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Group properties of the Riemann function. (English) Zbl 1503.35010

Luo, Albert C. J. (ed.) et al., Symmetries and applications of differential equations. In memory of Nail H. Ibragimov (1939–2018). Beijing: Higher Education Press; Singapore: Springer. Nonlinear Phys. Sci., 269-279 (2021).
MSC:  35B06 35A08 35L10
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A sparse-grid probabilistic scheme for approximation of the runaway probability of electrons in fusion tokamak simulation. (English) Zbl 1497.60093

Bungartz, Hans-Joachim (ed.) et al., Sparse grids and applications – Munich 2018. Selected papers based on the presentations at the fifth workshop, SGA2018, Munich, Germany, July 23–27, 2018. Cham: Springer. Lect. Notes Comput. Sci. Eng. 144, 245-264 (2021).
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On the pseudospectra of Schrödinger operators on Zoll manifolds. (English) Zbl 1502.58006

Galaz-García, Fernando (ed.) et al., Mexican mathematicians in the world. Trends and recent contributions. IV meeting. Reunión de matemáticos mexicanos en el mundo, Casa Matemática Oaxaca, Oaxaca, Mexico, June 10–15, 2018. Providence, RI: American Mathematical Society (AMS); México: Sociedad Matemática Mexicana. Contemp. Math. 775, 291-304 (2021).
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An adjoint state method for an Schrödinger inverse problem. (English) Zbl 07468054

Tai, Xue-Cheng (ed.) et al., Mathematical methods in image processing and inverse problems. Selected papers based on the presentations at the international workshop on image processing and inverse problems, IPIP 2018, Beijing, China, April 21–24, 2018. Singapore: Springer. Springer Proc. Math. Stat. 360, 13-31 (2021).
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Spectral analysis of small perturbations of geostrophic currents with a parabolic vertical profile of velocity as applied to the ocean. (English. Russian original) Zbl 1496.76163

Comput. Math. Math. Phys. 61, No. 12, 1966-1979 (2021); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 12, 2010-2023 (2021).
MSC:  76U60 76M45 86A05
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On the spectral properties of the Bloch-Torrey equation in infinite periodically perforated domains. (English) Zbl 1515.47030

Exner, Pavel (ed.) et al., Partial differential equations, spectral theory, and mathematical physics. The Ari Laptev anniversary volume. Berlin: European Mathematical Society (EMS). EMS Ser. Congr. Rep., 177-196 (2021).
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