The index function and Tikhonov regularization for ill-posed problems

The index function and Tikhonov regularization for ill-posed problems
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不适定问题的指数函数和吉洪诺夫正则化

DOI:
10.1016/j.cam.2013.09.035
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发表时间:
2014-08
影响因子:
2.4
通讯作者:
Shuai Lu
Shuai Lu
中科院分区:
数学2区
文献类型:
--
作者:
Jin Cheng;Bernd Hofmann;Shuai Lu

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本文研究了不适定问题条件稳定性估计的正则化性质。首先,我们分析了条件稳定性估计如何发生,以及相应的指标函数必须遵守哪些性质。此外,我们还对Banach空间中的Tikhonov正则化进行了收敛性分析,其中考虑了近似解与精确解在度量测度上的差异。最后,我们比较稳定性估计和变分不等式,另一个新兴的工具,在Banach空间正则化这项研究。
In this paper, we study the regularizing properties of the conditional stability estimates in ill-posed problems. First, we analyze how conditional stability estimates occur, and which properties the corresponding index functions must obey. In addition, we adapt the convergence analysis for the Tikhonov regularization in Banach spaces where the difference between the approximated solution and the exact one in metric measure is taken into account. We conclude this study with a comparison of stability estimates and variational inequalities, another emerging tool in Banach space regularization.
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