Year: 2025
Type: preprint
Abstract: We prove stability estimates for the recovery of the nonlinearity from the scattering or modified scattering map for one-dimensional nonlinear Schrödinger equations. We consider nonlinearities of the form $a(x) |u|^p u$ for $p\in [2,4]$ and $[1+a(x)]|u|^2 u$, where $a$ is a localized function. In the first case, we show that for $p\in(2,4]$ we may obtain a Hölder-type stability estimate for recovery via the scattering map, while for $p=2$ we obtain a logarithmic stability estimate. In the second case, we show a logarithmic stability estimate for recovery via the modified scattering map.
Source: arXiv (Cornell University)
Authors: Chen, Gong, Murphy, Jason
Language: English
Subfield: Mathematical Physics
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W6979283818
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