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Related papers: Long-Time Asymptotics for the Korteweg-de Vries Eq…

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We apply the method of nonlinear steepest descent to compute the long-time asymptotics of the Korteweg-de Vries equation with steplike initial data.

Exactly Solvable and Integrable Systems · Physics 2013-06-11 Iryna Egorova , Zoya Gladka , Volodymyr Kotlyarov , Gerald Teschl

We apply the method of nonlinear steepest descent to compute the long-time asymptotics of the Camassa-Holm equation for decaying initial data, completing previous results by A. Boutet de Monvel and D. Shepelsky.

Exactly Solvable and Integrable Systems · Physics 2009-09-26 Anne Boutet de Monvel , Aleksey Kostenko , Dmitry Shepelsky , Gerald Teschl

We apply the method of nonlinear steepest descent to compute the long-time asymptotics of the Toda lattice for decaying initial data in the soliton region. In addition, we point out how to reduce the problem in the remaining region to the…

Exactly Solvable and Integrable Systems · Physics 2010-06-29 Helge Krueger , Gerald Teschl

We apply the method of nonlinear steepest descent to compute the long-time asymptotics of the Korteweg-de Vries equation with steplike initial data leading to a rarefaction wave. In addition to the leading asymptotic we also compute the…

Exactly Solvable and Integrable Systems · Physics 2016-09-20 Kyrylo Andreiev , Iryna Egorova , Till Luc Lange , Gerald Teschl

We address the problem of long-time asymptotics for the solutions of the Korteweg-de Vries equation under low regularity assumptions. We consider rapidly decreasing initial data admitting only a finite number of moments. For the so-called…

Mathematical Physics · Physics 2016-03-09 Pietro Giavedoni

The purpose of this article is to give a streamlined and self-contained treatment of the long-time asymptotics of the Toda lattice for decaying initial data in the soliton and in the similarity region via the method of nonlinear steepest…

Exactly Solvable and Integrable Systems · Physics 2009-03-03 Helge Krueger , Gerald Teschl

We apply the method of nonlinear steepest descent to compute the long-time asymptotics of solutions of the Korteweg--de Vries equation which are decaying perturbations of a quasi-periodic finite-gap background solution. We compute a…

Exactly Solvable and Integrable Systems · Physics 2012-12-11 Alice Mikikits-Leitner , Gerald Teschl

We apply the method of nonlinear steepest descent to compute the long-time asymptotics of the periodic (and slightly more generally of the quasi-periodic finite-gap) Toda lattice for decaying initial data in the soliton region. In addition,…

Exactly Solvable and Integrable Systems · Physics 2012-09-21 Helge Krueger , Gerald Teschl

We show that solutions of the Korteweg-de Vries equation with reflectionless integrable initial data decompose into a (in general infinite) linear superposition of solitons after long enough time. The proof is based on a representation of…

Analysis of PDEs · Mathematics 2025-05-20 Jonathan Eckhardt

We show how the inverse scattering transform can be used as a convenient tool to derive the long-time asymptotics of shock waves for the Korteweg-de Vries (KdV) equation in the soliton region. In particular, we improve the results…

Analysis of PDEs · Mathematics 2021-09-20 Iryna Egorova , Johanna Michor , Gerald Teschl

This work investigates the long-time asymptotics of solution to defocusing modified Korteweg-de Vries equation with a class of step initial data. A rigorous asymptotic analysis is conducted on the associated Riemann-Hilbert problem by…

Analysis of PDEs · Mathematics 2025-06-27 Deng-Shan Wang , Ding Wen

We analyze the long-time asymptotics for the Degasperis--Procesi equation on the half-line. By applying nonlinear steepest descent techniques to an associated $3 \times 3$-matrix valued Riemann--Hilbert problem, we find an explicit formula…

Analysis of PDEs · Mathematics 2018-01-15 A. Boutet de Monvel , J. Lenells , D. Shepelsky

The long time behavior of solutions to the defocusing modified Korteweg-de vries (MKdV) equation is established for initial conditions in some weighted Sobolev spaces. Our approach is based on the nonlinear steepest descent method of Deift…

Analysis of PDEs · Mathematics 2022-04-06 Gong Chen , Jiaqi Liu

We consider the rigorous derivation of asymptotic formulas for initial-boundary value problems using the nonlinear steepest descent method. We give detailed derivations of the asymptotics in the similarity and self-similar sectors for the…

Analysis of PDEs · Mathematics 2016-04-04 Jonatan Lenells

In this paper, we study the Cauchy problem with decaying initial data for the nonlocal modified Korteweg-de Vries equation (nonlocal mKdV) \[q_t(x,t)+q_{xxx}(x,t)-6q(x,t)q(-x,-t)q_x(x,t)=0,\] which can be viewed as a generalization of the…

Exactly Solvable and Integrable Systems · Physics 2019-09-04 Fengjing He , Engui Fan , Jian Xu

We investigate the long-time asymptotics for the focusing integrable discrete nonlinear Schr\"odinger equation. Under generic assumptions on the initial value, the solution is asymptotically a sum of 1-solitons. We find different phase…

Mathematical Physics · Physics 2016-10-19 Hideshi Yamane

In this paper we compute the higher order long time asymptotics of the defocussing nonlinear Schr\"odinger equation using the $\overline{\partial}$-nonlinear steepest descent method. We assume initial condition in weighted Sobolev space…

Analysis of PDEs · Mathematics 2024-12-17 Jiaqi Liu , Changhua Yang

In this work, we investigate the Cauchy problem of the Wadati-Konno-Ichikawa (WKI) equation with finite density initial data. Employing the $\bar{\partial}$-generalization of Deift-Zhou nonlinear steepest descent method, we derive the long…

Analysis of PDEs · Mathematics 2021-09-15 Zhi-Qiang Li , Shou-Fu Tian , Jin-Jie Yang

We investigate the long-time asymptotics for the solutions to the Cauchy problem of defocusing modified Kortweg-de Vries (mKdV) equation with finite density initial data. The present paper is the subsequent work of our previous paper…

Analysis of PDEs · Mathematics 2023-07-06 Taiyang Xu , Zechuan Zhang , Engui Fan

In this paper we study the asymptotics of solutions to the Korteweg--de Vries equation with steplike initial data, which lead to shock waves in the region between the asymptotically constant region and the soliton region, as $t \rightarrow…

Analysis of PDEs · Mathematics 2022-11-22 Mateusz Piorkowski
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