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arXiv 1806.09586math.AP
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拟线性椭圆型方程的Calderón问题

The Calderón problem for quasilinear elliptic equations

Claudio Muñoz, Gunther Uhlmann

摘要:

本文证明了拟线性Calderón反问题电导率的唯一性。非线性电导率以非线性方式依赖于电势本身及其梯度。在对正问题的某些结构性假设下,允许复平面的小的解析延拓的实值电导率导出唯一的Dirichlet-to-Neumann(DN)映射。证明的方法考虑了一些复值,线性检验函数的基础上的一个点的边界域,和线性化的DN映射放置在这些特定的一组解决方案。

英文摘要:

In this paper we show uniqueness of the conductivity for the quasilinear Calderón's inverse problem. The nonlinear conductivity depends, in a nonlinear fashion, of the potential itself and its gradient. Under some structural assumptions on the direct problem, a real-valued conductivity allowing a small analytic continuation to the complex plane induces a unique Dirichlet-to-Neumann (DN) map. The method of proof considers some complex-valued, linear test functions based on a point of the boundary of the domain, and a linearization of the DN map placed at these particular set of solutions.

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