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We consider the vector generalization of the modified Korteweg-de Vries equation. We develop the inverse scattering transform for solving this equation. We construct the solitons and the breather solutions and investigate the processes of…

Exactly Solvable and Integrable Systems · Physics 2017-06-06 Volodymyr Fenchenko , Evgenii Khruslov

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 consider the fractional Korteweg-de Vries equation $u_t + u u_x - |D|^\alpha u_x = 0$ in the range of $-1<\alpha<1$ , $\alpha\neq0$. Using basic Fourier techniques in combination with the modified energy method we extend the existence…

Analysis of PDEs · Mathematics 2019-09-27 Mats Ehrnström , Yuexun Wang

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

This paper reviews the results of existence and uniqueness of the solutions of these equations: the Korteweg-de Vries equation, the Kuramoto-Sivashinsky equation, the generalized Korteweg-de Vries-Kuramoto-Sivashinski equation and the non…

Analysis of PDEs · Mathematics 2024-02-13 Marie-Thérèse Aimar , Abdelkader Intissar

This work is devoted to study the relation between regularity and decay of solutions of some dissipative perturbations of the Korteweg-de Vries equation in weighted and asymmetrically weighted Sobolev spaces.

Analysis of PDEs · Mathematics 2025-02-13 Alexander Munoz Garcia

New approach is presented to search exact solutions of nonlinear differential equations. This method is used to look for exact solutions of the Korteveg -- de Vries -- Burgers equation. New exact solitary waves of the Korteveg -- de Vries…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 N. A. Kudryashov

In this paper we consider the long time behavior of solutions to the modified Korteweg-de Vries equation on R. For sufficiently small, smooth, decaying data we prove global existence and derive modified asymptotics without relying on…

Analysis of PDEs · Mathematics 2015-10-12 Benjamin Harrop-Griffiths

In the paper, we consider a stochastic hybrid Korteweg - de Vries - Burgers type equation with multiplicative noise in the form of cylindrical Wiener process. We prove the existence of a martingale solution to the equation studied. The…

Probability · Mathematics 2021-01-19 Anna Karczewska , Maciej Szczeciński

The Korteweg-de Vries equation (KdV) and various generalized, most often semi- linear versions have been studied for about 50 years. Here, the focus is made on a quasi-linear generalization of the KdV equation, which has a fairly general…

Analysis of PDEs · Mathematics 2016-01-06 Colin Mietka

We have studied the solutions of the combined sine-cosine-Gordon Equation found by Wazwaz (App. Math. Comp. 177, 755 (2006)) using the variable separated ODE method. These solutions can be transformed into a new form. We have derived the…

Mathematical Physics · Physics 2012-09-28 Nan-Hong Kuo , C. D. Hu

We propose a numerical solution to the Korteweg-de Vries (KdV) equation using a Crank-Nicolson scheme, and compare its performance to the Fast Fourier Transform method. The properties and interactions of soliton solutions are further…

Pattern Formation and Solitons · Physics 2025-10-12 G. Bueno , M. Bonehill

Stationary solutions on a bounded interval for an initial-boundary value problem to Korteweg--de~Vries and modified Korteweg--de~Vries equation (for the last one both in focusing and defocusing cases) are constructed. The method of the…

Analysis of PDEs · Mathematics 2015-10-01 A. V. Faminskii , A. A. Nikolaev

We perform enhanced Lie symmetry analysis of generalized fifth-order Korteweg-de Vries equations with time-dependent coefficients. The corresponding similarity reductions are classified and some exact solutions are constructed.

Mathematical Physics · Physics 2014-02-04 Oksana Kuriksha , Severin Pošta , Olena Vaneeva

We introduce a numerical method for general coupled Korteweg-de Vries systems. The scheme is valid for solving Cauchy problems for arbitrary number of equations with arbitrary constant coefficients. The numerical scheme takes its legality…

Numerical Analysis · Mathematics 2025-10-20 A. A. Halim , S. P. Kshevetskii , S. B. Leble

In this paper, we consider three semi-discrete modified Korteweg-de Vries type equations which are the nonlinear lumped self-dual network equation,the semi-discrete lattice potential modified Korteweg-de Vries equation and a semi-discrete…

Exactly Solvable and Integrable Systems · Physics 2020-01-08 Yingying Sun , Songlin Zhao

We consider a wide class of model equations, able to describe wave propagation in dispersive nonlinear media. The Korteweg-de Vries (KdV) equation is derived in this general frame under some conditions, the physical meanings of which are…

Pattern Formation and Solitons · Physics 2007-05-23 H. Leblond

We study the small amplitude linearization of the Korteweg de Vries equation on the line with a local defect scattering waves represented by a metric graph domain adjoined at one point. For a representative collection of examples, we derive…

Analysis of PDEs · Mathematics 2025-12-23 Dave Smith

This paper discusses an improved smoothing phenomena for low-regularity solutions of the Korteweg-de Vries (KdV) equation in the periodic settings by means of normal form transformation. As a result, the solution map from a ball on…

Analysis of PDEs · Mathematics 2011-08-19 Seungly Oh

We consider the defocusing supercritical generalized Korteweg-de Vries (gKdV) equation $\partial_t u+\partial_x^3u-\partial_x(u^{k+1})=0$, where $k>4$ is an even integer number. We show that if the initial data $u_0$ belongs to $H^1$ then…

Analysis of PDEs · Mathematics 2021-08-26 Luiz G. Farah , Felipe Linares , Ademir Pastor , Nicola Visciglia