Geodesic
On the question of the correctness of inverse problems
Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 22 (2018) no. 2, pp. 269-292

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In the rectangular domain, the initial-boundary value problem for the Helmholtz equation and its non-local modifications are studied and the inverse problems for finding its right-hand side are studied. The solutions of direct problems with nonlocal boundary conditions and inverse problems are constructed in explicit form as the sums of orthogonal series in the system of eigenfunctions of the one-dimensional Sturm–Liouville spectral problem. The corresponding uniqueness theorems for the solution of all set problems are proved. Sufficient conditions for boundary functions are established, which are guaranteed by the existence and stability theorems for the solution of the proposed new problem statements.
Keywords: Helmholtz equation, initial-boundary value problem, nonlocal problems, inverse problems, uniqueness, series, stability, integral equations.
Mots-clés : existence 
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     title = {On the question of the correctness of inverse problems},
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     url = {http://geodesic.mathdoc.fr/item/VSGTU_2018_22_2_a5/}
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K. B. Sabitov; N. V. Martem'yanova. On the question of the correctness of inverse problems. Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 22 (2018) no. 2, pp. 269-292. http://geodesic.mathdoc.fr/item/VSGTU_2018_22_2_a5/