Inverse source problem for a fractional diffusion equation

被引:220
|
作者
Zhang, Ying [1 ]
Xu, Xiang [1 ]
机构
[1] Fudan Univ, Sch Math Sci, Shanghai 200433, Peoples R China
关键词
RANDOM-WALKS; TRANSPORT; DISPERSION; PRINCIPLE;
D O I
10.1088/0266-5611/27/3/035010
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
An inverse source problem for a fractional diffusion equation is investigated. Under an assumption that the unknown source term is time independent, an analytical solution can be deduced based on the method of the eigenfunction expansion. Then, the uniqueness of the inverse problem is proved by analytic continuation and Laplace transform. Regularization schemes are considered to obtain the regularized solution. Numerical examples are presented to illustrate the validity and effectiveness of the proposed meshless method.
引用
收藏
页数:12
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