平面上分段光滑位势的重构与稳定性
Reconstruction and stability for piecewise smooth potentials in the plane
摘要:
我们表明,潜在的跳跃不连续性,可以恢复从狄利克雷到诺依曼映射使用Bukhgeim的方法。结合已知公式,这使得能够在固定能量下从散射振幅恢复。我们还提供了一个先验的稳定性估计重建从狄利克雷到诺依曼映射,以及从散射amplitudegiven的不连续性的位置的近似知识。
英文摘要:
We show that potentials with jump discontinuities can be recovered from the Dirichlet-to-Neumann map using Bukhgeim's method. Combining with known formulas, this enables the recovery from the scattering amplitude at a fixed energy. We also provide a priori stability estimates for reconstruction from the Dirichlet-to-Neumann map as well as from the scattering amplitudegiven an approximate knowledge of the location of the discontinuities.
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