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Related papers: Noncommutative Korteweg-de-Vries Equation

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We present compacton-like solution of the modified KdV equation and compare its properties with those of the compactons and solitons. We further show that, the nonlinear Schr{\"o}dinger equation with a source term and other higher order…

solv-int · Physics 2007-05-23 C. Nagaraja Kumar , Prasanta K. Panigrahi

The Korteweg-de Vries equation is a fundamental nonlinear equation that describes solitons with constant velocity. On the contrary, here we show that this equation also presents accelerated wavepacket solutions. This behavior is achieved by…

Exactly Solvable and Integrable Systems · Physics 2024-09-17 Maricarmen A. Winkler , Felipe A. Asenjo

A noncommutative KdV-type equation is introduced extending the Baecklund chart in [S. Carillo, M. Lo Schiavo, and C. Schiebold, SIGMA 12 (2016)]. This equation, called meta-mKdV here, is linked by Cole-Hopf transformations to the two…

Mathematical Physics · Physics 2019-06-11 Sandra Carillo , Mauro Lo Schiavo , Egmont Porten , Cornelia Schiebold

Considering lateral influence from adjacent lane, an improved car-following model is developed in this paper. Then linear and non-linear stability analyses are carried out. The modified Korteweg-de Vries (MKdV) equation is derived with the…

Computational Engineering, Finance, and Science · Computer Science 2014-07-15 Yuhan Jia , Jianping Wu , Yiman Du , Geqi Qi

This paper represents a new perspective in understanding the controllability of the Korteweg-de Vries (KdV) equation on unbounded domains. By studying the equation on both the right and left half-line with a single control input, we show…

Analysis of PDEs · Mathematics 2026-05-19 Roberto de A. Capistrano-Filho , Fernando Gallego

We derive full asymptotics of the modified KdV equation (mKdV) with a higher-order perturbative term. We make use of the perturbative theory of infinite-dimensional integrable systems developed by P. Deift and X. Zhou \cite{DZ-2}, and some…

Analysis of PDEs · Mathematics 2025-04-29 Gong Chen , Jiaqi Liu , Yuanhong Tian

A single incompressible, inviscid, irrotational fluid medium bounded above by a free surface is considered. The Hamiltonian of the system is expressed in terms of the so-called Dirichlet-Neumann operators. The equations for the surface…

Exactly Solvable and Integrable Systems · Physics 2024-09-06 Rossen I. Ivanov

Noncommutative versions of theories with a gauge freedom define (when they exist) consistent deformations of their commutative counterparts. General aspects of Seiberg-Witten maps are discussed from this point of view. In particular, the…

High Energy Physics - Theory · Physics 2010-02-03 G. Barnich , M. Grigoriev , M. Henneaux

We prove strong convergence of a semi-discrete finite difference method for the KdV and modified KdV equations. We extend existing results to non-smooth data (namely, in $L^2$), without size restrictions. Our approach uses a fourth order…

Numerical Analysis · Mathematics 2012-02-07 Paulo Amorim , Mário Figueira

We prove special decay properties of solutions to the initial value problem associated to the $k$-generalized Korteweg-de Vries equation. These are related with persistence properties of the solution flow in weighted Sobolev spaces and with…

Analysis of PDEs · Mathematics 2015-06-12 Pedro Isaza , Felipe Linares , Gustavo Ponce

We consider travelling internal waves in a two-layer fluid with linear shear currents from the viewpoint of the extended Korteweg-de Vries (eKdV) equation derived from a strongly-nonlinear long-wave model. Using an asymptotic…

Fluid Dynamics · Physics 2025-05-01 Nerijus Sidorovas , Dmitri Tseluiko , Wooyoung Choi , Karima Khusnutdinova

The evolution of a solitary wave with very weak nonlinearity which was originally investigated by Miles [4] is revisited. The solution for a one-dimensional gravity wave in a water of uniform depth is considered. This leads to finding the…

Pattern Formation and Solitons · Physics 2017-04-11 S. G. Sajjadi , T. A. Smith

The Korteweg-de Vries equation is one of the most important nonlinear evolution equations in the mathematical sciences. In this article invariant discretization schemes are constructed for this equation both in the Lagrangian and in the…

Mathematical Physics · Physics 2015-06-22 Alexander Bihlo , Xavier Coiteux-Roy , Pavel Winternitz

We study a particular deformation of the potential KdV model (pKdV) and construct the quasi-conservation laws by a direct method. The charge densities, differing from their integrable counterpart with homogeneous degree terms, exhibit mixed…

High Energy Physics - Theory · Physics 2024-05-01 Harold Blas

We explore systematically a rigorous theory of the inverse scattering transforms with matrix Riemann-Hilbert problems for both focusing and defocusing modified Korteweg-de Vries (mKdV) equations with non-zero boundary conditions (NZBCs) at…

Exactly Solvable and Integrable Systems · Physics 2020-12-08 Guoqiang Zhang , Zhenya Yan

We carry out group analysis of a class of generalized fifth-order Korteweg-de Vries equations with time dependent coefficients. Admissible transformations, Lie symmetries and similarity reductions of equations from the class are classified…

Mathematical Physics · Physics 2015-06-18 Oksana Kuriksha , Severin Pošta , Olena Vaneeva

In this paper, we consider the discrete deformation of the discrete space curves with constant torsion described by the discrete mKdV or the discrete sine-Gordon equations, and show that it is formulated as the torsion-preserving…

Exactly Solvable and Integrable Systems · Physics 2015-06-17 Jun-ichi Inoguchi , Kenji Kajiwara , Nozomu Matsuura , Yasuhiro Ohta

In this work we present a new method for solving of the Korteweg-de Vries (KdV) equation q'_t = - \dfrac{3}{2} q q'_x + \dfrac{1}{4} q"'_{xxx}. The proposed method is a particular case of the theory of evolutionary vessels, developed in…

Analysis of PDEs · Mathematics 2011-11-10 Andrey Melnikov

We show how to define gauge-covariant coordinate transformations on a noncommuting space. The construction uses the Seiberg-Witten equation and generalizes similar results for commuting coordinates.

High Energy Physics - Theory · Physics 2009-11-07 R. Jackiw , S. -Y. Pi

We study here the water-waves problem for uneven bottoms in a highly nonlinear regime where the small amplitude assumption of the Korteweg-de Vries (KdV) equation is enforced. It is known, that for such regimes, a generalization of the KdV…

Analysis of PDEs · Mathematics 2009-01-22 Samer Israwi
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