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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 study soliton solutions to a generalized Korteweg - de Vries (KdV) equation with a saturated nonlinearity, following the line of inquiry of the authors for the nonlinear Schr\"odinger equation (NLS). KdV with such a nonlinearity is known…

Pattern Formation and Solitons · Physics 2013-01-23 Jeremy L. Marzuola , Sarah Raynor , Gideon Simpson

We give a complete characterisation of the reflectionless Schr\"odinger operators on the line with integrable potentials, solve the inverse scattering problem of reconstructing such potentials from the eigenvalues and norming constants, and…

Spectral Theory · Mathematics 2020-06-24 Rostyslav Hryniv , Bohdan Melnyk , Yaroslav Mykytyuk

Evolution of perturbed embedded solitons in the general Hamiltonian fifth-order Korteweg--de Vries (KdV) equation is studied. When an embedded soliton is perturbed, it sheds a one-directional continuous-wave radiation. It is shown that the…

Pattern Formation and Solitons · Physics 2007-05-23 Yu Tan , Jianke Yang , Dmitry Pelinovsky

This paper provides an alternative methodology for analysis of three-wave interactions under the exact dispersion relation associated with gravity waves in fluid of intermediate depth. A Korteweg-de Vries type of equation with exact…

Fluid Dynamics · Physics 2016-09-06 N. Karjanto

The inverse scattering transform allows explicit construction of solutions to many physically significant nonlinear wave equations. Notably, this method can be extended to fractional nonlinear evolution equations characterized by anomalous…

Exactly Solvable and Integrable Systems · Physics 2022-10-21 Mark J. Ablowitz , Joel B. Been , Lincoln D. Carr

Two page encyclopedic article about the Korteweg-de Vries equation covering historical perspective, solitary wave and periodic solutions, modern developments, properties and applications, and further reading.

Exactly Solvable and Integrable Systems · Physics 2013-08-27 Willy Hereman

We consider multiple lattices and functions defined on them. We introduce slow varying conditions for functions defined on the lattice and express the variation of a function in terms of an asymptotic expansion with respect to the slow…

Exactly Solvable and Integrable Systems · Physics 2009-11-11 D. Levi

We study the propagation of narrow solitons through various profiles of dispersive shock waves (DSW) for the generalized Korteweg-de Vries equation. We consider situations in which the soliton passes through the DSW region quickly enough…

Pattern Formation and Solitons · Physics 2025-04-14 Shaykin Dmitriy

A new type of wave-mean flow interaction is identified and studied in which a small-amplitude, linear, dispersive modulated wave propagates through an evolving, nonlinear, large-scale fluid state such as an expansion (rarefaction) wave or a…

Pattern Formation and Solitons · Physics 2019-08-06 T. Congy , G. A. El , M. A. Hoefer

We study the conditions for the formation and propagation of Korteweg-de Vries (KdV) solitons in nuclear matter. In a previous work we have derived a KdV equation from Euler and continuity equations in non-relativistic hydrodynamics. In the…

Nuclear Theory · Physics 2013-05-07 D. A. Fogaça , F. S. Navarra

The matrix KdV equation with a negative dispersion term is considered in the right upper quarter--plane. The evolution law is derived for the Weyl function of a corresponding auxiliary linear system. Using the low energy asymptotics of the…

Analysis of PDEs · Mathematics 2012-11-29 Alexander Sakhnovich

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

We present a metric for which Einstein's field equations in vacuum generate the Kortweg-de Vries (KdV) equation and thus its $N$-soliton solutions solve the vacuum equations. The metric of the one soliton solution has been investigated and…

Exactly Solvable and Integrable Systems · Physics 2010-03-16 Debojit Sarma , Mahadev Patgiri

We present a theory of Sturm-Liouville non-symmetric vessels, realizing an inverse scattering theory for the Sturm-Liouville operator with analytic potentials on the line. This construction is equivalent to the construction of a matrix…

Analysis of PDEs · Mathematics 2014-11-04 Andrey Melnikov

We consider in this paper the problem of the Lagrangian controllability for the Korteweg-de Vries equation. Using the $N$-solitons solution, we prove that, for any length of the spatial domain $L>0$ and any time $T>0$, it is possible to…

Optimization and Control · Mathematics 2016-11-10 Ludovick Gagnon

Some types of coupled Korteweg de-Vries (KdV) equations are derived from an atmospheric dynamical system. In the derivation procedure, an unreasonable $y$-average trick (which is usually adopted in literature) is removed. The derived models…

Exactly Solvable and Integrable Systems · Physics 2009-11-11 S. Y. Lou , Bin Tong , Heng-chun Hu , Xiao-yan Tang

We focus on the semi-discrete complex modified Korteweg-de Vries (DcmKdV) equation in this paper. The direct and inverse scattering theory is developed with zero and non-zero boundary conditions (BCs) of the potential. For direct problem,…

Exactly Solvable and Integrable Systems · Physics 2024-02-23 Bo-Jie Deng , Rui Guo , Jian-Wen Zhang

In an earlier paper Cooper, Shepard, and Sodano introduced a generalized KdV equation that can exhibit the kinds of compacton solitary waves that were first seen in equations studied by Rosenau and Hyman. This paper considers the…

Mathematical Physics · Physics 2015-05-13 Carl M. Bender , Fred Cooper , Avinash Khare , Bogdan Mihaila , Avadh Saxena

The Korteweg-de Vries (KdV) equation with periodic boundary conditions is considered. The interaction of a periodic solitary wave (cnoidal wave) with high frequency radiation of finite energy ($L^2$-norm) is studied. It is proved that the…

Analysis of PDEs · Mathematics 2011-03-23 M. B. Erdoğan , N. Tzirakis , V. Zharnitsky
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