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JOURNALS // Eurasian Mathematical Journal // Archive

Eurasian Math. J., 2022 Volume 13, Number 1, Pages 19–31 (Mi emj429)

This article is cited in 13 papers

Determination of fractional order and source term in subdiffusion equations

R. R. Ashurova, Yu. E. Fayzievb

a Institute of Mathematics, Uzbekistan Academy of Science, Student town 100174 Tashkent, Uzbekistan
b Department of Mathematics National university of Uzbekistan, 100174 Tashkent, Uzbekistan

Abstract: In this paper, we consider the inverse problem for simultaneously determining the order of the Riemann-Liouville time fractional derivative and the source function in subdiffusion equations. The classical Fourier method is used to prove uniqueness and existence theorems for this inverse problem.

Keywords and phrases: subdiffusion equation, Riemann-Liouville derivatives, inverse problem, determination of the fractional derivative's order and source function, Fourier method.

MSC: 35R11, 34K29

Received: 24.09.2020

Language: English

DOI: 10.32523/2077-9879-2022-13-1-19-31



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© Steklov Math. Inst. of RAS, 2024