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arXiv 0809.3037math.AP
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二维Calderon问题的部分数据

Partial Data for the Calderon Problem in Two Dimensions

Oleg Yu. Imanuvilov, Gunther Uhlmann, masahiro Yamamoto

摘要:

我们表明,在两个维度上,测量Dirichlet数据的边界上的一个开子集的电导率方程,粗略地说,诺依曼数据在稍大的集比补充唯一确定的电导率在一个简单的连接域。对薛定谔方程的证明也得到了类似的结果。利用退化权的Carleman估计,我们构造了适当的复几何光学解来证明结果。

英文摘要:

We show in two dimensions that measuring Dirichlet data for the conductivity equation on an open subset of the boundary and, roughly speaking, Neumann data in slightly larger set than the complement uniquely determines the conductivity on a simply connected domain. The proof is reduced to show a similar result for the Schrödinger equation. Using Carleman estimates with degenerate weights we construct appropriate complex geometrical optics solutions to prove the results.

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