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Volume 15, Issue 1
Long-Time Asymptotics for the Combined Nonlinear Schrödinger and Gerdjikov-Ivanov Equation

Fuzhuang Zheng, Zhenyun Qin, Gui Mu & Tingyou Wang

East Asian J. Appl. Math., 15 (2025), pp. 163-184.

Published online: 2025-01

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  • Abstract

In this paper, the combined nonlinear Schrödinger and Gerdjikov-Ivanov (NLS-GI) equation with the Schwartz initial data is investigated. It is shown that the solution of NLS-GI equation can be expressed in terms of the solution associated with a Riemann-Hilbert (RH) problem. The long-time asymptotics is further obtained via the Deift-Zhou nonlinear steepest descent method.

  • AMS Subject Headings

35Q15, 35C20, 37K15, 37K40

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COPYRIGHT: © Global Science Press

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@Article{EAJAM-15-163, author = {Zheng , FuzhuangQin , ZhenyunMu , Gui and Wang , Tingyou}, title = {Long-Time Asymptotics for the Combined Nonlinear Schrödinger and Gerdjikov-Ivanov Equation}, journal = {East Asian Journal on Applied Mathematics}, year = {2025}, volume = {15}, number = {1}, pages = {163--184}, abstract = {

In this paper, the combined nonlinear Schrödinger and Gerdjikov-Ivanov (NLS-GI) equation with the Schwartz initial data is investigated. It is shown that the solution of NLS-GI equation can be expressed in terms of the solution associated with a Riemann-Hilbert (RH) problem. The long-time asymptotics is further obtained via the Deift-Zhou nonlinear steepest descent method.

}, issn = {2079-7370}, doi = {https://doi.org/10.4208/eajam.2023-275.150124}, url = {http://global-sci.org/intro/article_detail/eajam/23745.html} }
TY - JOUR T1 - Long-Time Asymptotics for the Combined Nonlinear Schrödinger and Gerdjikov-Ivanov Equation AU - Zheng , Fuzhuang AU - Qin , Zhenyun AU - Mu , Gui AU - Wang , Tingyou JO - East Asian Journal on Applied Mathematics VL - 1 SP - 163 EP - 184 PY - 2025 DA - 2025/01 SN - 15 DO - http://doi.org/10.4208/eajam.2023-275.150124 UR - https://global-sci.org/intro/article_detail/eajam/23745.html KW - Combined nonlinear Schrödinger and Gerdjikov-Ivanov equation, Riemann-Hilbert problem, Deift-Zhou steepest descent method, long-time asymptotics. AB -

In this paper, the combined nonlinear Schrödinger and Gerdjikov-Ivanov (NLS-GI) equation with the Schwartz initial data is investigated. It is shown that the solution of NLS-GI equation can be expressed in terms of the solution associated with a Riemann-Hilbert (RH) problem. The long-time asymptotics is further obtained via the Deift-Zhou nonlinear steepest descent method.

Zheng , FuzhuangQin , ZhenyunMu , Gui and Wang , Tingyou. (2025). Long-Time Asymptotics for the Combined Nonlinear Schrödinger and Gerdjikov-Ivanov Equation. East Asian Journal on Applied Mathematics. 15 (1). 163-184. doi:10.4208/eajam.2023-275.150124
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