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arXiv 2107.03061math.AP
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关于由Dirichlet-Neumann映射确定边界电导率的几点意见

Comments on the determination of the conductivity at the boundary from the Dirichlet-to-Neumann map

Mourad Choulli

摘要:

我们重新审视的稳定性问题,确定在相应的狄利克雷到诺依曼映射的边界处的电导率。我们讨论了基于奇异解的方法和基于局部振荡解的方法。我们的主要目标不是在这个问题上建立新的结果,即使目前的工作包含一些新的结果。本文主要澄清现有证明中的一些问题并作一些评述。我们还得到了一些结果的稳定性不等式的确定的电导率在边界上的Dirichlet-to-Neumann映射。

英文摘要:

We revisit the stability issue of determining the conductivity at the boundary from the corresponding Dirichlet-to-Neumann map. We discuss both the method based on singular solutions and the one built on the localized oscillating solutions. Our primary objective is not establishing new results on this subject even if the present work contains some new ones. We mainly clarify some points in the existing proofs and make some comments. We also derive some consequences of the stability inequality of the determination of the conductivity at the boundary from the Dirichlet-to-Neumann map.

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