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Related papers: Long time behavior of solutions to the mKdV

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It has been observed that the dynamics of the Toda lattice can be well described by solutions of the Korteweg-de Vries (KdV) equation in the continuum limit. We show that, under the KdV scaling and a suitable translation, the solution of…

Exactly Solvable and Integrable Systems · Physics 2026-05-11 Ruoyuan Liu , Herbert Koch

We consider a fractional Korteweg de Vries-Benjamin Bona Mahony (KdV-BBM) type equation including both fractional dispersive terms of fractional KdV and fractional BBM equations. We aim to enhance the existence time of solutions with small…

Analysis of PDEs · Mathematics 2025-11-20 Goksu Oruc

We address two pressing questions in the theory of the Korteweg--de Vries (KdV) equation. First, we show the uniqueness of solutions to KdV that are merely bounded, without any further decay, regularity, periodicity, or almost periodicity…

Analysis of PDEs · Mathematics 2022-09-16 Andreia Chapouto , Rowan Killip , Monica Vişan

The Cauchy problem for the Burgers equation with a small dissipation and an initial weak discontinuity and the Cauchy problem with a large initial gradient for a quasilinear parabolic equation and for the Korteweg-de Vries (KdV) equation…

Mathematical Physics · Physics 2015-05-06 Sergei V. Zakharov

This article deals with the design of saturated controls in the context of partial differential equations. It is focused on a Korteweg-de Vries equation, which is a nonlinear mathematical model of waves on shallow water surfaces. The aim of…

Analysis of PDEs · Mathematics 2016-09-07 Swann Marx , Eduardo Cerpa , Christophe Prieur , Vincent Andrieu

We prove a modified scattering and asymptotic completeness for the derivative nonlinear Schr\"odinger equation. This is the first result proving asymptotic completeness in a quasilinear setting. Our approach combines the method of testing…

Analysis of PDEs · Mathematics 2025-08-26 Allison Byars

The Korteweg-de Vries (KdV) equation is known as a universal equation describing various long waves in dispersive systems. In this article, we prove that in a certain scaling regime, a large class of rough solutions to the Boussinesq…

Analysis of PDEs · Mathematics 2024-04-12 Younghun Hong , Changhun Yang

We use the vorticity formulation to study the long-time behavior of solutions to the Navier-Stokes equation on R^3. We assume that the initial vorticity is small and decays algebraically at infinity. After introducing self-similar…

Analysis of PDEs · Mathematics 2016-09-07 Th. Gallay , C. E. Wayne

We study the long-time asymptotic behavior of the Cauchy problem for the modified Korteweg - de Vries equation with an initial function of the step type. This function rapidly tends to zero as $x\to+\infty$ and to some positive constant c…

Mathematical Physics · Physics 2015-05-05 Vladimir Kotlyarov , Minakov Alexander

Given smooth step-like initial data $V(0,x)$ on the real line, we show that the Korteweg--de Vries equation is globally well-posed for initial data $u(0,x) \in V(0,x) + H^{-1}(\mathbb{R})$. The proof uses our general well-posedness result…

Analysis of PDEs · Mathematics 2022-09-19 Thierry Laurens

We add to a kink, which is a 1 dimensional structure, two transversal directions. We then check its asymptotic stability with respect to compactly supported perturbations in 3D and a time evolution under a Nonlinear Wave Equation (NLW). The…

Analysis of PDEs · Mathematics 2008-01-18 Scipio Cuccagna

In this paper we review the physical relevance of a Korteweg-de Vries (KdV) equation with higher-order dispersion terms which is used in the applied sciences and engineering. We also present exact traveling wave solutions to this…

Pattern Formation and Solitons · Physics 2018-10-04 Stefan C. Mancas , Willy A. Hereman

In this paper, we obtain the global well-posedness and the asymptotic behavior of solution of non-resistive 2D MHD problem on the half space. We overcome the difficulty of zero spectrum gap by building the relationship between half space…

Analysis of PDEs · Mathematics 2024-01-22 Jiakun Jin , Yoshiyuki Kagei , Xiaoxia Ren , Lei Wang , Cuili Zhai

In this paper, we address the long time behaviour of solutions of the stochastic Schrodinger equation in $\mathbb{R}^d$. We prove the existence of an invariant measure and establish asymptotic compactness of solutions, implying in…

Analysis of PDEs · Mathematics 2016-05-09 Ibrahim Ekren , Igor Kukavica , Mohammed Ziane

We consider the real-valued defocusing modified Korteweg-de Vries equation (mKdV) on the circle. Based on the complete integrability of mKdV, Killip-Vi\c{s}an-Zhang (2018) discovered a conserved quantity which they used to prove low…

Analysis of PDEs · Mathematics 2025-04-11 Andreia Chapouto , Justin Forlano

We propose a model using the Korteweg-de Vries $(KdV)$ equation on a finite star-shaped network. We first prove the well-posedness of the system and give some regularity results. Then we prove that the energy of the solutions of the…

Analysis of PDEs · Mathematics 2017-06-19 Kaïs Ammari , Emmanuelle Crépeau

We are concerned with the long-time behavior of classical solutions to the isentropic compressible Navier-Stokes equations in $\mathbb R^3$. Our main results and innovations can be stated as follows: Under the assumption that the density…

Analysis of PDEs · Mathematics 2024-11-05 Guochun Wu , Xin Zhong

Uniform estimates for the decay structure of the $n$-soliton solution of the Korteweg-deVries equation are obtained. The KdV equation, linearized at the $n$-soliton solution is investigated in a class $\WW$ consisting of sums of travelling…

solv-int · Physics 2018-08-29 M. Haragus-Courcelle , D. H. Sattinger

We study the Cauchy problem for the focusing nonlinear Kundu-Eckhaus equation and construct long time asymptotic expansion of its solution in fixed space-time cone with $C(x_1,x_2,v_1,v_2)=\{(x,t)\in\Re^2:x=x_0+vt$…

Exactly Solvable and Integrable Systems · Physics 2019-12-04 Ruihong Ma , Engui Fan

We consider the large time behavior of the solutions to the Cauchy problem for the BBM-Burgers equation. We prove that the solution to this problem goes to the self-similar solution to the Burgers equation called the nonlinear diffusion…

Analysis of PDEs · Mathematics 2025-04-03 Ikki Fukuda , Masahiro Ikeda