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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

We present nonlocal integrable reductions of super AKNS coupled equations. By the use of nonlocal reductions of Ablowitz and Musslimani we find new super integrable equations. In particular we introduce nonlocal super NLS equations and the…

Exactly Solvable and Integrable Systems · Physics 2017-04-06 Metin Gurses

We show that a number of nonlocal nonlinear equations including the Ablowitz-Musslimani and the Yang variant of the nonlocal nonlinear Schr\"od-inger (NLS) equation, nonlocal modified Korteweg de Vries (mKdV) equation as well as the…

Pattern Formation and Solitons · Physics 2022-12-28 Avinash Khare , Avadh Saxena

An explicit solution formula for the matrix modified KdV equation is presented, which comprises the solutions given in Ref. 7 (S. Carillo, M. Lo Schiavo, and C. Schiebold. Matrix solitons solutions of the modified Korteweg-de Vries…

Exactly Solvable and Integrable Systems · Physics 2023-05-01 Sandra Carillo , Cornelia Schiebold

In a recent paper, Kenig, Ponce and Vega study the low regularity behavior of the focusing nonlinear Schr\"odinger (NLS), focusing modified Korteweg-de Vries (mKdV), and complex Korteweg-de Vries (KdV) equations. Using soliton and breather…

Analysis of PDEs · Mathematics 2007-05-23 Michael Christ , James Colliander , Terence Tao

A nonlocal form of a two-layer fluid system is proposed by a simple symmetry reduction, then by applying multiple scale method to it a general nonlocal two place variable coefficient modified KdV (VCmKdV) equation with shifted space and…

Exactly Solvable and Integrable Systems · Physics 2019-03-05 Xi-Zhong Liu

We announce a detailed investigation of limits of N-soliton solutions of the Korteweg-deVries (KdV) equation as $N$ tends to infinity. Our main results provide new classes of KdV-solutions including in particular new types of soliton-like…

Analysis of PDEs · Mathematics 2016-09-06 Fritz Gesztesy , Witold Karwowski , Zhong Xin Zhao

We analytically study the large-time asymptotics of the solution of the defocusing modified Korteweg-de Vries (mKdV) equation under a symmetric non-vanishing background, which supports the emergence of solitons. It is demonstrated that the…

Analysis of PDEs · Mathematics 2025-01-23 Zechuan Zhang , Taiyang Xu , Engui Fan

In this paper, we study coupled complex modified Korteweg-de Vries (ccmKdV) equation by combining the Hirota's method and the Kadomtsev-Petviashvili (KP) reduction method. First, we show that the bilinear form of the ccmKdV equation under…

Mathematical Physics · Physics 2025-03-18 Chenxi Li , Xiaochuan Liu , Bao-Feng Feng

The algebraic geometric approach to $N$-component systems of nonlinear integrable PDE's is used to obtain and analyze explicit solutions of the coupled KdV and Dym equations. Detailed analysis of soliton fission, kink to anti-kink…

Pattern Formation and Solitons · Physics 2015-06-26 Mark S. Alber , Gregory G. Luther , Charles A. Miller

Starting from a multi-component AKNS system, we obtain new shifted nonlocal nonlinear Schr\"{o}dinger equations. We find 13 different shifted nonlocal nonlinear Schr\"{o}dinger equations with two-place nonlocalities and 10 shifted nonlocal…

Exactly Solvable and Integrable Systems · Physics 2026-05-12 Metin Gürses , Aslı Pekcan

Nonlocal reductions of a nonisospectral (2+1)-dimensional breaking soliton Ablowitz-Kaup-Newell-Segur equation are discussed on the base of double Wronskian reduction technique. Various types of solutions, including soliton solutions and…

Exactly Solvable and Integrable Systems · Physics 2022-09-14 Hai-jing Xu , Wei Feng , Song-lin Zhao

In this paper, we develop a Cauchy matrix reduction technique that enables us to obtain solutions for the reduced local and nonlocal complex equations from the Cauchy matrix solutions of the original before-reduction systems. Specifically,…

Exactly Solvable and Integrable Systems · Physics 2022-05-18 Hai-Jing Xu , Song-lin Zhao

We consider solutions of the generalized Korteweg-de Vries equations (gKdV) which are non dispersive in some sense (in the spirit of [18]) and which remain close to multi-solitons. We show that these solutions are necessarily pure…

Analysis of PDEs · Mathematics 2020-07-06 Xavier Friederich

The $n$-fold Darboux transformation $T_{n}$ of the focusing real mo\-di\-fied Kor\-te\-weg-de Vries (mKdV) equation is expressed in terms of the determinant representation. Using this representation, the $n$-soliton solutions of the mKdV…

Exactly Solvable and Integrable Systems · Physics 2017-05-22 Qiuxia Xing , Zhiwei Wu , Dumitru Mihalache , Jingsong He

We study the local and shifted nonlocal reductions of the integrable coupled Kundu type system. We then consider particular cases of this system; namely Chen-Lee-Liu, Gerdjikov-Ivanov, and Kaup-Newell systems. We obtain one- and two-soliton…

Exactly Solvable and Integrable Systems · Physics 2021-12-28 Aslı Pekcan

We analyze the recent paper by Wazwaz [Wazwaz A.M., M - component nonlinear evolution equations: multiple soliton solutions, Phys. Scr. 81 (2010) 055004]. We demonstrate that author did not consider in essence the M - component nonlinear…

Exactly Solvable and Integrable Systems · Physics 2010-09-03 Naum N. Muraved

We study two members of the multi-component AKNS hierarchy. These are multi-NLS and multi-MKdV systems. We derive the Hirota bilinear forms of these equations and obtain soliton solutions. We find all possible local and nonlocal reductions…

Exactly Solvable and Integrable Systems · Physics 2023-01-12 Metin Gürses , Aslı Pekcan

A new matrix modified Korteweg-de Vries (mmKdV) equation with a $p\times q$ complex-valued potential matrix function is first studied via Riemann-Hilbert approach, which can be reduced to the well-known coupled modified Korteweg-de Vries…

Exactly Solvable and Integrable Systems · Physics 2020-01-20 Wei-Kang Xun , Shou-Fu Tian , Jin-Jie Yang

We consider the soliton solutions of a recently proposed coupled Sasa-Satsuma-mKdV equation using the Kadomtsev-Petviashvili reduction method. The system consists of a complex-valued component coupled with a real-valued one. Under zero or…

Exactly Solvable and Integrable Systems · Physics 2026-03-20 Changyan Shi , Bao-Feng Feng