Stability of an inverse source problem for the damped biharmonic plate equation
Stability of an inverse source problem for the damped biharmonic plate equation
复制标题
阻尼双调和板方程反源问题的稳定性
DOI:
10.1088/1361-6420/ac104e
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发表时间:
2021-02
期刊:
影响因子:
2.1
通讯作者:
Yue Zhao
中科院分区:
文献类型:
--
作者:
Peijun Li;Xiaohua Yao;Yue Zhao
This paper is concerned with the stability of the inverse source problem for the damped biharmonic plate equation in three dimensions. The stability estimate consists of the Lipschitz type data discrepancy and the high frequency tail of the source function, where the latter decreases as the upper bound of the frequency increases. The stability also shows exponential dependence on the damping coefficient. The ingredients of the analysis include Carleman estimates and time decay estimates for the damped plate wave equation to obtain an exact observability bound, and the study of the resonance-free region and an upper bound of the resolvent for the biharmonic operator with respect to the complex wavenumber.
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期刊:
Journal de Mathématiques Pures et Appliquées
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影响因子:
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