2018
DOI: 10.1515/fca-2018-0045
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INverse Source Problem for a Space-Time Fractional Diffusion Equation

Abstract: For a space-time fractional diffusion equation, an inverse problem of determination of a space dependent source term along with the solution is considered. The fractional derivatives in time and space are defined in the sense of Caputo. Due to an over-specified data at final time say T, we proved that there exists a unique solution of the inverse source problem. We use the eigenfunction expansion method to prove our main results. Several special cases of space-time fractional diffusion equations are discussed … Show more

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Cited by 33 publications
(24 citation statements)
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“…Remark 5. For σ 1 = 0, σ 2 = σ 3 = ... = σ m = 0, m ∈ N the above Lemma reduces to the following result proved in [3] |g(τ Proof. By taking the Laplace transform on the both sides, we obtained the result.…”
Section: Preliminaries and Spectral Problemmentioning
confidence: 89%
See 1 more Smart Citation
“…Remark 5. For σ 1 = 0, σ 2 = σ 3 = ... = σ m = 0, m ∈ N the above Lemma reduces to the following result proved in [3] |g(τ Proof. By taking the Laplace transform on the both sides, we obtained the result.…”
Section: Preliminaries and Spectral Problemmentioning
confidence: 89%
“…An inverse problem involving generalized fractional derivative in diffusion and wave equations for time and space dependent source terms are discussed in [15]. In [4], for a Space-Time Fractional Diffusion Equation (STFDE) inverse problem of determining a temporal component in the source term from the total energy of the system is considered and the recovery of a space dependent source term from final data is discussed in [3]. Inverse problems of identifying the space and time dependent source terms for a STFDE are considered in [5].…”
Section: Introductionmentioning
confidence: 99%
“…The ISP of determination of a time‐dependent source term has been considered by many, for example, see other studies 6–9 . Inverse problems (IPs) for PDEs involving arbitrary order integrals and derivatives are a new subject when compared with their integer order theory of IPs.…”
Section: Introductionmentioning
confidence: 99%
“…19 Existence, uniqueness, and regularity of the weak solution for a semilinear time-fractional diffusion equation is addressed in Slodicka and Siskova. 20 Determination of the spatial and temporal component of source term for the space-time-fractional diffusion equation is considered in Ali et al, 21,22 respectively. Generalized Tikhonov regularization method is used to construct the solution of the inverse source problem for time-fractional diffusion equation.…”
Section: Introduction and Problem Formulationmentioning
confidence: 99%