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

Sib. Zh. Ind. Mat., 2016 Volume 19, Number 4, Pages 93–100 (Mi sjim942)

This article is cited in 3 papers

On determining the source function in heat and mass transfer problems under integral overdetermination conditions

S. G. Pyatkovab, M. V. Uvarovaa

a Yugra State University, 16 Chekhov str., 628012 Khanty-Mansyisk
b Sobolev Institute of Mathematics SB RAS, 4 Koptyug av., 630090 Novosibirsk

Abstract: We examine an inverse problem of determining the right-hand side (source function) in a parabolic equation from integral overdetermination data. By a solution to a parabolic equation we mean a weak solution, and the right-hand side in this equation can be a distribution of a certain class. Under some conditions on the data of the problem, we demonstrate that this inverse problem is well-posed and, in particular, stability estimates hold.

Keywords: inverse problem, second-order parabolic equation, boundary value problem, integral overdetermination condition, weak solution.

UDC: 517.95

Received: 28.12.2015

DOI: 10.17377/sibjim.2016.19.410


 English version:
Journal of Applied and Industrial Mathematics, 2016, 10:4, 549–555

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© Steklov Math. Inst. of RAS, 2024