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Cauchy problem for the biharmonic equation in an unbounded region
F. R. Tursunov, D. S. Shodiyev Samarkand State University named after Sharof Rashidov, 15 University boulevard str., Samarkand, 140104 Republic of Uzbekistan
Abstract:
The article studies the continuation of the solution of the Cauchy problem for the biharmonic equation in the domain $G$ from its known values on the smooth part $ S $ of the boundary $\partial G$ . The considered problem belongs to the problems of mathematical physics, in which there is no continuous dependence of solutions on the initial data. It is assumed that the solution to the problem exists and is continuously differentiable in a closed domain with exactly given Cauchy data. For this case, an explicit formula for the continuation of the solution is established.
Keywords:
Cauchy problem, ill-posed problem, Carleman function, regularized solution, regularization, continuation formula.
Received: 28.01.2024 Revised: 17.04.2024 Accepted: 26.06.2024
Citation:
F. R. Tursunov, D. S. Shodiyev, “Cauchy problem for the biharmonic equation in an unbounded region”, Izv. Vyssh. Uchebn. Zaved. Mat., 2025, no. 1, 37–51; Russian Math. (Iz. VUZ), 69:1 (2025), 31–44
Linking options:
https://www.mathnet.ru/eng/ivm10053 https://www.mathnet.ru/eng/ivm/y2025/i1/p37
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