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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

The derivative nonlinear Schrödinger equation: Global well-posedness and soliton resolution


Authors: Robert Jenkins, Jiaqi Liu, Peter Perry and Catherine Sulem
Journal: Quart. Appl. Math. 78 (2020), 33-73
MSC (2010): Primary 35B30, 35Q55, 35C08
DOI: https://doi.org/10.1090/qam/1553
Published electronically: September 16, 2019
MathSciNet review: 4042219
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Abstract: We review recent results on global well-posedness and long-time behavior of smooth solutions to the derivative nonlinear Schrödinger (DNLS) equation. Using the integrable character of DNLS, we show how the inverse scattering tools and the method of Zhou [SIAM J. Math. Anal. 20 (1989), pp. 966–986] for treating spectral singularities lead to global well-posedness for general initial conditions in the weighted Sobolev space $H^{2,2}(\mathbb {R})$. For generic initial data that can support bright solitons but exclude spectral singularities, we prove the soliton resolution conjecture: the solution is asymptotic, at large times, to a sum of localized solitons and a dispersive component, Our results also show that soliton solutions of DNLS are asymptotically stable .


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Additional Information

Robert Jenkins
Affiliation: Department of Mathematics, University of Central Florida, 4393 Andromeda Loop N, Orlando, Florida 32816
Email: robert.jenkins@ucf.edu

Jiaqi Liu
Affiliation: Department of Mathematics, University of Toronto, Toronto, Ontario M5S 2E4, Canada
MR Author ID: 1182955
Email: jliu@math.toronto.edu

Peter Perry
Affiliation: Department of Mathematics, University of Kentucky, Lexington, Kentucky 40506–0027
MR Author ID: 138260
Email: peter.perry@uky.edu

Catherine Sulem
Affiliation: Department of Mathematics, University of Toronto, Toronto, Ontario M5S 2E4, Canada
MR Author ID: 168785
Email: sulem@math.toronto.edu

Received by editor(s): May 8, 2019
Published electronically: September 16, 2019
Additional Notes: This work was supported by a grant from the Simons Foundation/SFARI (359431, PAP)
The fourth author was supported in part by Discovery Grant 2018-04536 from the Natural Sciences and Engineering Research Council of Canada
Dedicated: Dedicated to Walter Strauss, with friendship and admiration
Article copyright: © Copyright 2019 Brown University