能量区间上逆散射问题的指数不稳定性
Exponential instability in the inverse scattering problem on the energy interval
摘要:
我们考虑三维空间中能量区间上的逆散射问题。我们专注于这个问题的稳定性和不稳定性问题。特别地,我们证明了一个指数不稳定性估计,它显示了[Stefanov,1990]的对数稳定性结果的最优性(直到指数的值)。
英文摘要:
We consider the inverse scattering problem on the energy interval in three dimensions. We are focused on stability and instability questions for this problem. In particular, we prove an exponential instability estimate which shows optimality of the logarithmic stability result of [Stefanov, 1990] (up to the value of the exponent).
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