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Related papers: Deriving N-soliton solutions via constrained flows

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In this paper we announce the result of asymptotic dynamics of solitons of nonlinear Schrodinger equations with external potentials. To each local minima of the potential there is a soliton centered around it. Under some conditions on the…

Mathematical Physics · Physics 2007-05-23 Zhou Gang , I. M. Sigal

The soliton solutions of the Camassa-Holm equation are derived by the implementation of the dressing method. The form of the one and two soliton solutions coincides with the form obtained by other methods.

Exactly Solvable and Integrable Systems · Physics 2024-10-25 Rossen Ivanov , Tony Lyons , Nigel Orr

In this paper, we introduce the reverse-space and reverse-space-time nonlocal discrete derivative nonlinear Schr\"odinger (DNLS) equations through the nonlocal symmetry reductions of the semi-discrete Gerdjikov-Ivanov equation. The…

Exactly Solvable and Integrable Systems · Physics 2020-06-09 Gegenhasi , Yuechen Jia

We look for solutions to derivative nonlinear Schrodinger equations built upon solitons. We prove the existence of multi-solitons i.e. solutions behaving at large time as the sum of finite solitons. We also show that one can attach a kink…

Analysis of PDEs · Mathematics 2022-03-23 Phan van Tin

In this Letter, by using the bifurcation method of dynamical systems, we obtain the analytic expressions of soliton solution of the osmosis K(2, 2) equation.

Pattern Formation and Solitons · Physics 2015-05-13 Jiangbo Zhou , Lixin Tian

We apply the parabolic flow method to solving complex quotient equations on closed K\"ahler manifolds. We study the parabolic equation and prove the convergence. As a result, we solve the complex quotient equations.

Analysis of PDEs · Mathematics 2017-12-05 Wei Sun

We give arguments for the existence of {\it exact} travelling-wave (in particular solitonic) solutions of a perturbed sine-Gordon equation on the real line or on the circle, and classify them. The perturbation of the equation consists of a…

Mathematical Physics · Physics 2012-09-28 Armando D'Anna , Monica De Angelis , Gaetano Fiore

The method of point transformation of the functions and variables for construction of particular solutions of the Equations of Nonstationary Transonic Gas Flows is used.

Exactly Solvable and Integrable Systems · Physics 2007-07-05 Valerii Dryuma

For a polygon in Euclidean space we consider a transformation T which is obtained by applying the midpoints polygon construction twice and using an index shift. For a closed polygon this is a curve shortening process. A polygon is called…

Differential Geometry · Mathematics 2016-06-22 Christine Rademacher , Hans-Bert Rademacher

We investigate the soliton dynamics for the fractional nonlinear Schrodinger equation by a suitable modulational inequality. In the semiclassical limit, the solution concentrates along a trajectory determined by a Newtonian equation…

Analysis of PDEs · Mathematics 2013-05-24 Simone Secchi , Marco Squassina

We apply pseudo-spectral methods to integrate functional flow equations with high accuracy, extending earlier work on functional fixed point equations \cite{Borchardt:2015rxa}. The advantages of our method are illustrated with the help of…

High Energy Physics - Theory · Physics 2016-07-27 Julia Borchardt , Benjamin Knorr

We suggest the method of derivation of Hamilton equations which describe the motion of solitons along non-uniform and time dependent large-scale background in case of wave dynamics described by the completely integrable equations in the…

Pattern Formation and Solitons · Physics 2024-07-08 A. M. Kamchatnov

We show that the leading semiclassical behavior of soliton form factors at arbitrary momentum transfer is controlled by solutions to a new wave-like integro-differential equation that describes solitons undergoing acceleration. We work in…

High Energy Physics - Theory · Physics 2020-12-30 Ilarion V. Melnikov , Constantinos Papageorgakis , Andrew B. Royston

Repetitive curling of the incompressible viscid Navier-Stokes differential equation leads to a higher-order diffusion equation. Substituting this equation into the Navier-Stokes differential equation transposes the latter into the…

Exactly Solvable and Integrable Systems · Physics 2025-07-01 Rensley A. Meulens

This article deals with the flow of Newtonian fluids through axially-symmetric corrugated tubes. An analytical method to derive the relation between volumetric flow rate and pressure drop in laminar flow regimes is presented and applied to…

Mathematical Physics · Physics 2010-06-09 Taha Sochi

Two different types of N=1 modified KdV equations are shown to possess $N$ soliton solutions. The soliton solutions of these equations are obtained by casting the equations in the bilinear forms using the supersymmetric extension of the…

Exactly Solvable and Integrable Systems · Physics 2009-11-07 Sasanka Ghosh , Debojit Sarma

In this paper, we studied N-soliton solutions of an integrable equation.

Exactly Solvable and Integrable Systems · Physics 2023-03-01 Zhaqilaoa , Zhijun Qiao

Simulating flow problems is at the core of many engineering applications but often requires high computational effort, especially when dealing with complex models. This work presents a novel approach for resolving flow problems using the…

Numerical Analysis · Mathematics 2026-02-04 Élise Foulatier , Pierre-Alain Boucard , François Louf , David Néron , Philipp Junker

In a previous paper (Matsuno 2011 {\it J. Phys. A: Math. Theore.} {\bf 44} 495202), we have presented a determinantal expression of the bright $N$-soliton solution for a multi-component modified nonlinear Schr\"odinger (NLS) system with…

Exactly Solvable and Integrable Systems · Physics 2019-04-04 Yoshimasa Matsuno

We will consider a {\it $\tau$-flow}, given by the equation $\frac{d}{dt}g_{ij} = -2R_{ij} + \frac{1}{\tau}g_{ij}$ on a closed manifold $M$, for all times $t\in [0,\infty)$. We will prove that if the curvature operator and the diameter of…

Differential Geometry · Mathematics 2007-05-23 Natasa Sesum