An a posteriori error analysis of an elliptic optimal control problem in measure space
An a posteriori error analysis of an elliptic optimal control problem in measure space
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测度空间中椭圆最优控制问题的后验误差分析
DOI:
10.1016/j.camwa.2018.12.043
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发表时间:
2019
影响因子:
2.9
通讯作者:
Salgado, Abner J.
中科院分区:
文献类型:
--
作者:
Fuica, Francisco;Otárola, Enrique;Salgado, Abner J.
We propose an a posteriori error estimator for an optimal control problem with sparsity promoting cost: the control variable lies in the space of regular Borel measures. We consider a solution technique that relies on the discretization of the control variable as a linear combination of Dirac measures. The proposed a posteriori error estimator can be decomposed into the sum of two contributions: an error estimator in the maximum norm for the discretization of the adjoint equation and an estimator in the L 2-norm that accounts for the approximation of the state equation. We prove that the designed error estimator is locally efficient and we explore its reliability properties. The analysis is valid for two and three-dimensional domains. We illustrate the theory with numerical examples.
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DOI:
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期刊:
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