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

Zh. Vychisl. Mat. Mat. Fiz., 2021 Volume 61, Number 12, Pages 2040–2049 (Mi zvmmf11329)

This article is cited in 13 papers

Partial Differential Equations

Approximate solution of inverse problems for the heat equation with a singular perturbation

A. M. Denisov

Faculty of Computational Mathematics and Cybernetics, Lomonosov Moscow State University, 119991, Moscow, Russia

Abstract: For the heat conduction equation with a singular perturbation corresponding to a small heat capacity or a small heat conductivity, inverse problems of determining the boundary or initial condition or the source term from additional information about the solution of the equation are considered. The possibility of using the expansion in a small parameter of the solution to the equation for the approximate solution of inverse problems is studied.

Key words: heat equation, singular perturbation, inverse problems, approximate solution.

UDC: 517.958

Received: 18.11.2020
Revised: 16.01.2021
Accepted: 04.08.2021

DOI: 10.31857/S0044466921120085


 English version:
Computational Mathematics and Mathematical Physics, 2021, 61:12, 2004–2014

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© Steklov Math. Inst. of RAS, 2026