Mathematics > Analysis of PDEs
[Submitted on 4 Apr 2018 (v1), last revised 8 Jun 2019 (this version, v3)]
Title:Global Existence for the Derivative Nonlinear Schrödinger Equation with Arbitrary Spectral Singularities
View PDFAbstract:We show that the derivative nonlinear Schrödinger (DNLS) equation is globally well-posed in the weighted Sobolev space $H^{2,2}(\mathbb{R})$. Our result exploits the complete integrability of DNLS and removes certain spectral conditions on the initial data, thanks to Xin Zhou's analysis on spectral singularities in the context of inverse scattering.
Submission history
From: Peter Perry [view email][v1] Wed, 4 Apr 2018 16:51:18 UTC (38 KB)
[v2] Wed, 5 Sep 2018 21:23:38 UTC (41 KB)
[v3] Sat, 8 Jun 2019 18:24:02 UTC (45 KB)
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