Journal
INVERSE PROBLEMS AND IMAGING
Volume 16, Issue 1, Pages 39-67Publisher
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/ipi.2021040
Keywords
time-fractional diffusion equation; inverse source problem; inverse coefficient problem; stability estimate; Carleman estimate
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Funding
- Japan Society for the Promotion of Science
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In this study, a half-order time-fractional diffusion equation in arbitrary dimension is considered, and inverse problems of determining the source term or the diffusion coefficient from spatial data at an arbitrarily fixed time are investigated under some additional assumptions. The stability estimate of Lipschitz type in the inverse problems is established, with proofs based on the BukhgeimKlibanov method using Carleman estimates.
We consider a half-order time-fractional diffusion equation in arbitrary dimension and investigate inverse problems of determining the source term or the diffusion coefficient from spatial data at an arbitrarily fixed time under some additional assumptions. We establish the stability estimate of Lipschitz type in the inverse problems and the proofs are based on the BukhgeimKlibanov method by using Carleman estimates.
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