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相关论文: Focusing and defocusing mKdV equation with fully a…

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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…

可精确求解与可积系统 · 物理学 2020-12-08 Guoqiang Zhang , Zhenya Yan

We present a rigorous theory of a unified and simple inverse scattering transform (IST) for both focusing and defocusing real nonlocal (reverse-space-time) modified Korteweg-de Vries (mKdV) equations with non-zero boundary conditions…

可精确求解与可积系统 · 物理学 2020-12-08 Guoqiang Zhang , Zhenya Yan

The paper aims to apply the inverse scattering transform to the defocusing Hirota equation with fully asymmetric non-zero boundary conditions (NZBCs), addressing scenarios in which the solution's limiting values at spatial infinities…

可精确求解与可积系统 · 物理学 2024-01-31 Rusuo Ye , Peng-Fei Han , Yi Zhang

The theory of inverse scattering is developed to study the initial-value problem for the modified matrix Korteweg-de Vries (mmKdV) equation with the $2m\times2m$ $(m\geq 1)$ Lax pairs under the nonzero boundary conditions at infinity. In…

可精确求解与可积系统 · 物理学 2020-05-04 Jin-Jie Yang , Shou-Fu Tian , Zhi-Qiang Li

The inverse scattering transform for the defocusing-defocusing coupled Hirota equations with non-zero boundary conditions at infinity is thoroughly discussed. We delve into the analytical properties of the Jost eigenfunctions and scrutinize…

可精确求解与可积系统 · 物理学 2024-06-13 Peng-Fei Han , Wen-Xiu Ma , Ru-Suo Ye , Yi Zhang

In this work, we mainly study the general $N$-soliton solutions of the nonlocal modified Korteweg-de Vries (mKdV) equation by utilizing the Riemann-Hilbert (RH) method. For the initial value belonging to Schwarz space, we firstly obtain the…

可精确求解与可积系统 · 物理学 2021-11-30 Xiao-Fan Zhang , Shou-Fu Tian , Jin-Jie Yang

The inverse scattering transform for the defocusing-defocusing coupled Hirota equations is strictly discussed with non-zero boundary conditions at infinity including non-parallel boundary conditions, specifically referring to the asymptotic…

可精确求解与可积系统 · 物理学 2024-10-22 Peng-Fei Han , Wen-Xiu Ma , Yi Zhang

The inverse scattering transform for the focusing nonlinear Schrodinger equation is presented for a general class of initial conditions whose asymptotic behavior at infinity consists of counterpropagating waves. The formulation takes into…

可精确求解与可积系统 · 物理学 2020-10-22 Gino Biondini , Jonathan Lottes , Dionyssis Mantzavinos

Applying the inverse scattering transform to study a focusing two-component Hirota equation with nonzero boundary conditions at infinity. Through the spectral problem and the adjoint spectral problem, the analyticity properties and symmetry…

可精确求解与可积系统 · 物理学 2025-02-25 Feng Zhang , Pengfei Han , Yi Zhang

In this work, we extend the Riemann-Hilbert (RH) method in order to study the coupled modified Korteweg-de Vries equation (cmKdV) under nonzero boundary conditions (NZBCs), and successfully find its solutions with their various dynamic…

可精确求解与可积系统 · 物理学 2021-04-07 Xiao-Fan Zhang , Shou-Fu Tian , Jin-Jie Yang

In this paper, the inverse scattering transform for the integrable discrete nonlocal PT symmetric nonlinear Schr\"odinger equation with nonzero boundary conditions is presented. According to the two different signs of symmetry reduction and…

数学物理 · 物理学 2024-07-24 Ya-Hui Liu , Rui Guo , Jian-Wen Zhang

This paper develops the numerical inverse scattering transform (NIST) framework for the coupled modified Korteweg-de Vries (mKdV) equation based on its associated Riemann-Hilbert problem. The coupled system gives rise to a $3\times3$…

可精确求解与可积系统 · 物理学 2026-05-01 Wen-Xin Zhang , Yong Chen

Within the framework of the Riemann-Hilbert problem, the theory of inverse scattering transform is established for the defocusing nonlinear Schr\"{o}dinger equation with local and nonlocal nonlinearities (which originates from the…

可精确求解与可积系统 · 物理学 2025-07-08 Chuanxin Xu , Tao Xu , Min Li

In this announcement we present a general and new approach to analyzing the asymptotics of oscillatory Riemann-Hilbert problems. Such problems arise, in particular, in evaluating the long-time behavior of nonlinear wave equations solvable…

偏微分方程分析 · 数学 2016-09-06 Percy Deift , Xin Zhou

The long-time asymptotic behavior of the focusing nonlinear Schr\"odinger (NLS) equation on the line with symmetric nonzero boundary conditions at infinity is characterized by using the recently developed inverse scattering transform (IST)…

偏微分方程分析 · 数学 2015-12-21 Gino Biondini , Dionyssios Mantzavinos

The focusing Kundu-Eckhaus (KE) equation with non-zero boundary conditions at infinity, under two cases: simple zeros and double zeros, is investigated systematically via Riemann-Hilbert (RH) problem. We derive some new results for the…

可精确求解与可积系统 · 物理学 2019-11-04 Jin-Jie Yang , Shou-Fu Tian , Zhi-Qiang Li

The challenge of solving the initial value problem for the coupled Lakshmanan Porsezian Daniel equation, while considering nonzero boundary conditions at infinity, is addressed through the development of a suitable inverse scattering…

可精确求解与可积系统 · 物理学 2024-04-05 Peng-Fei Han , Ru-Suo Ye , Yi Zhang

The initial value problem for the general coupled Hirota system with nonzero boundary conditions at infinity is solved by reporting a rigorous theory of the inverse scattering transform. With the help of a suitable uniformization variable,…

数学物理 · 物理学 2023-07-03 Xiu-Bin Wang , Shou-Fu Tian

We present a method to solve numerically the Cauchy problem for the defocusing nonlinear Schr\"{o}dinger (NLS) equation with a box-type initial condition (IC) having a nontrivial background of amplitude $q_o>0$ as $x\to \pm \infty$ by…

可精确求解与可积系统 · 物理学 2025-09-11 Aikaterini Gkogkou , Barbara Prinari , Thomas Trogdon

We extend the Riemann-Hilbert (RH) method to study the inverse scattering transformation and high-order pole solutions of the focusing and defocusing nonlocal (reverse-space-time) modified Korteweg-de Vries (mKdV) equations with nonzero…

可精确求解与可积系统 · 物理学 2021-09-08 Xiao-Fan Zhang , Shou-Fu Tian , Jin-Jie Yang
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