Abstract
This paper is devoted to identifying an unknown source for a time-fractional diffusion equation in a general bounded domain. First, we prove the problem is non-well posed and the stability of the source function. Second, by using the Modified Fractional Landweber method, we present regularization solutions and show the convergence rate between regularization solutions and sought solution are given under a priori and a posteriori choice rules of the regularization parameter, respectively. Finally, we present an illustrative numerical example to test the results of our theory.
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Acknowledgements
We thank the referees for their time and comments. This research is supported by Industrial University of Ho Chi Minh City (IUH) under Grant Number 130/HD-DHCN. The authors Le Dinh Long and Anh Tuan Nguyen are supported by Van Lang University.
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Phuong, N.D., Long, L.D., Nguyen, A.T. et al. Regularization of the Inverse Problem for Time Fractional Pseudo-parabolic Equation with Non-local in Time Conditions. Acta. Math. Sin.-English Ser. 38, 2199–2219 (2022). https://doi.org/10.1007/s10114-022-1234-z
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DOI: https://doi.org/10.1007/s10114-022-1234-z
Keywords
- Source problem
- fractional pseudo-parabolic problem
- ill-posed problem
- convergence estimates
- regularization