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We apply the GBDT version of the B\"acklund-Darboux transformation to the nonlocal NLS (focusing and defocusing cases). The matrix case is included and solutions in the form of rectangular $m_1 \times m_2$ matrix functions are dealt with.…

Analysis of PDEs · Mathematics 2020-07-03 J. Michor , A. L. Sakhnovich

Auxiliary systems for matrix nonisospectral equations, including coupled NLS with external potential and KdV with variable coefficients, were introduced. Explicit solutions of nonisospectral equations were constructed using the GBDT version…

Exactly Solvable and Integrable Systems · Physics 2008-04-02 Alexander Sakhnovich

In this paper, we primarily construct Darboux transformation(DT) of the nonlocal coupled modified complex integrable dispersionless (cm-CID) equation, which is first proposed by the connection with a nonlocal coupled modified complex short…

Exactly Solvable and Integrable Systems · Physics 2025-10-16 Hong-Qian Sun , Shou-Feng Shen , Zuo-Nong Zhu

A GBDT version of the B\"acklund-Darboux transformation for a non-isospectral canonical system is considered. Applications to multiplicative integrals and their limit values, to characteristic matrix functions and to linear similarity…

Classical Analysis and ODEs · Mathematics 2025-04-01 Alexander Sakhnovich

The Darboux-Dressing Transformations are applied to the Lax pair associated to systems of coupled nonlinear wave equations in the case of boundary values which are appropriate to both bright and dark soliton solutions. The general formalism…

Exactly Solvable and Integrable Systems · Physics 2015-06-26 Antonio Degasperis , Sara Lombardo

A general theorem on the GBDT version of the B\"acklund-Darboux transformation for systems rationally depending on the spectral parameter is treated and its applications to nonlinear equations are given. Explicit solutions of direct and…

Classical Analysis and ODEs · Mathematics 2011-04-05 Alexander Sakhnovich

The Darboux transformation on matrix solutions to the generalized coupled dispersionless integrable system based on some non-abelian Lie group, is studied and the solutions are shown to be expressed in terms of quasideterminants. As an…

Mathematical Physics · Physics 2015-05-14 M. Hassan

We use a recently proposed scheme of matrix extension of dispersionless integrable systems for the Abelian case, in which it leads to linear equations, connected with the initial dispersionless system. In the examples considered, these…

Exactly Solvable and Integrable Systems · Physics 2024-04-30 L. V. Bogdanov

In this paper, We extend the two-component coupled Hirota equation to the three-component one, and reconstruct the Lax pair with $4\times4$ matrixes of this three-component coupled system including higher-order effects such as third-order…

Exactly Solvable and Integrable Systems · Physics 2017-04-25 Tao Xu , Yong Chen

In this paper, we construct a generalized Darboux transformation to the coupled Hirota equations with high-order nonlinear effects like the third dispersion, self-steepening and inelastic Raman scattering terms. As application, an Nth-order…

Mathematical Physics · Physics 2014-04-29 Xin Wang , Yuqi Li , Yong Chen

The Darboux--Dressing Transformations are applied to the Lax pair associated to the system of nonlinear equations describing the resonant interaction of three waves in 1+1 dimensions. We display explicit solutions featuring localized waves…

Exactly Solvable and Integrable Systems · Physics 2015-06-26 Antonio Degasperis , Sara Lombardo

An integrable semi-discretization of complex and multi-component coupled dispersionless systems via Lax pairs is presented. A Lax pair is proposed for the complex sdCD system. We derive the Lax pair for the multi-component sdCD system…

Exactly Solvable and Integrable Systems · Physics 2019-01-17 H. Wajahat A. Riaz , Mahmood ul Hassan

The KdV equation with self-consistent sources (KdVES) is used as a model to illustrate the method. A generalized binary Darboux transformation (GBDT) with an arbitrary time-dependent function for the KdVES as well as the formula for…

Exactly Solvable and Integrable Systems · Physics 2009-11-10 Yunbo Zeng , Yijun Shao , Weimin Xue

In this paper, we investigate a general integrable nonlocal coupled nonlinear schr\"odinger (NLS) system with the the parity-time (PT) symmetry, which contains not only the nonlocal self-phase modulation and the nonlocal cross-phase…

Exactly Solvable and Integrable Systems · Physics 2015-05-21 Cai-Qin Song , Dong-Mei Xiao , Zuo-Nong Zhu

The standard binary Darboux transformation is investigated and is used to obtain quasi-Grammian multisoliton solutions of the generalized coupled dispersionless integrable system.

Exactly Solvable and Integrable Systems · Physics 2012-11-09 Bushra Haider , Mahmood-ul Hassan

This paper investigates a reverse space-time higher-order modified self-steepening nonlinear Schr\"odinger equation, which distinguishes its standard local counterparts through the reverse space-time symmetry. The integrability of this…

Exactly Solvable and Integrable Systems · Physics 2025-11-11 Yanan Wang , Xi-hu Wu

Identifying integrable coupled nonlinear ordinary differential equations (ODEs) of dissipative type and deducing their general solutions are some of the challenging tasks in nonlinear dynamics. In this paper we undertake these problems and…

Exactly Solvable and Integrable Systems · Physics 2010-10-28 R. Gladwin Pradeep , V. K. Chandrasekar , M. Senthilvelan , M. Lakshmanan

Darboux transformation plays a key role in constructing explicit closed-form solutions of completely integrable systems. This paper provides an algebraic construction of generalized Darboux matrices with the same poles for the $2\times2$…

Exactly Solvable and Integrable Systems · Physics 2024-11-26 Yu-Yue Li , Deng-Shan Wang

This article addresses linear hyperbolic partial differential equations with non-smooth coefficients and distributional data. Solutions are studied in the framework of Colombeau algebras of generalized functions. Its aim is to prove upper…

Analysis of PDEs · Mathematics 2015-07-31 Hideo Deguchi , Michael Oberguggenberger

We introduce GBDT version of Darboux transformation for symplectic and Hamiltonian systems as well as for Shin-Zettl systems and Sturm-Liouville equations. These are the first results on Darboux transformation for general-type Hamiltonian…

Classical Analysis and ODEs · Mathematics 2018-03-20 Alexander Sakhnovich
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