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<p>We consider the problem of determining the unknown boundary values of a solution of an elliptic equation outside a bounded open set <i>B</i> from the knowledge of the values of this solution on a boundary of an arbitrary Lipschitz bounded domain surrounding <i>B</i>. We obtain for this inverse problem Lipschitz stability for an admissible class of unknown boundary functions. Our analysis applies as well to an interior problem. We also give an extension to the parabolic case.</p>

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Lipschitz stability for an elliptic inverse problem with two measurements

  • 期刊论文

  • 发表日期：

    2025年3月12日

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  • Mourad Choulli,
  • Hiroshi Takase

摘要

We consider the problem of determining the unknown boundary values of a solution of an elliptic equation outside a bounded open set B from the knowledge of the values of this solution on a boundary of an arbitrary Lipschitz bounded domain surrounding B. We obtain for this inverse problem Lipschitz stability for an admissible class of unknown boundary functions. Our analysis applies as well to an interior problem. We also give an extension to the parabolic case.