当前位置: X-MOL 学术J. Inverse Ill posed Probl. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Stability estimates for reconstruction from the Fourier transform on the ball
Journal of Inverse and Ill-posed Problems ( IF 0.9 ) Pub Date : 2020-12-11 , DOI: 10.1515/jiip-2020-0106
Mikhail Isaev 1 , Roman G. Novikov 2
Affiliation  

We prove Holder-logarithmic stability estimates for the problem of finding an integrable function v on R^d with a super-exponential decay at infinity from its Fourier transform Fv given on the ball B_r. These estimates arise from a Holder-stable extrapolation of Fv from B_r to a larger ball. We also present instability examples showing an optimality of our results.

中文翻译:

从球上的傅立叶变换重建的稳定性估计

我们证明了在 R^d 上找到可积函数 v 的 Holder 对数稳定性估计,从球 B_r 上给出的傅立叶变换 Fv 在无穷远处找到超指数衰减。这些估计来自 Fv 从 B_r 到更大球的 Holder-stable 外推。我们还提供了不稳定性示例,显示了我们结果的最优性。
更新日期:2020-12-11
down
wechat
bug