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JOURNALS // Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki // Archive

Zh. Vychisl. Mat. Mat. Fiz., 2023 Volume 63, Number 5, Pages 795–802 (Mi zvmmf11556)

This article is cited in 9 papers

Mathematical physics

Approximate solution of an inverse problem for a singularly perturbed integro-differential heat equation

A. M. Denisov

Lomonosov Moscow State University, 119999, Moscow, Russia

Abstract: The paper considers an inverse problem for a singularly perturbed integro-differential heat equation, which consists in determining the boundary condition from additional information on the solution of the initial-boundary value problem. It is proved that an approximate solution of the inverse problem can be obtained by using a finite number of terms in the expansion of the solution of the initial-boundary value problem in a small parameter.

Key words: integro-differential heat equation, singular perturbation, inverse problem, approximate solution.

UDC: 517.956

Received: 10.09.2022
Revised: 10.09.2022
Accepted: 02.02.2023

DOI: 10.31857/S0044466923050095


 English version:
Computational Mathematics and Mathematical Physics, 2023, 63:5, 837–844

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