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JOURNALS // Sibirskii Zhurnal Industrial'noi Matematiki // Archive

Sib. Zh. Ind. Mat., 2021 Volume 24, Number 2, Pages 38–61 (Mi sjim1128)

This article is cited in 15 papers

The problem of finding the kernels in the system of integro-differential Maxwell's equations

D. K. Durdievab, K. K. Turdievb

a The Institute of Mathematics named after V.I. Romanovskiy at the Academy of Sciences of the Republic of Uzbekistan, ul. M. Ikbal 11, Bukhara 200117, Uzbekistan
b Bukhara State University, ul. M. Ikbal 11, Bukhara 200117, Uzbekistan

Abstract: We pose the direct and inverse problem of finding the electromagnetic field and the diagonal memory matrix for the reduced canonical system of integro-differential Maxwell's equations. The problems are replaced by a closed system of Volterra-type integral equations of the second kind with respect to the Fourier transform in the variables $x_1$ and $x_2$ of the solution to the direct problem and the unknowns of the inverse problem. To this system, we then apply the method of contraction mapping in the space of continuous functions with a weighted norm. Thus, we prove the global existence and uniqueness theorems for solutions to the posed problems.

Keywords: hyperbolic system, system of Maxwell's equations, integral equation, contraction mapping principle.

UDC: 517.968.72

Received: 13.01.2021
Revised: 11.02.2021
Accepted: 15.04.2021

DOI: 10.33048/SIBJIM.2021.24.203


 English version:
Journal of Applied and Industrial Mathematics, 2021, 15:2, 190–211

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© Steklov Math. Inst. of RAS, 2024