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In this paper an approach to generate multi-dimensionally consistent $N$-component systems is proposed. The approach starts from scalar multi-dimensionally consistent quadrilateral systems and makes use of the cyclic group. The obtained…

Exactly Solvable and Integrable Systems · Physics 2020-07-02 Dan-Da Zhang , Peter H. van der Kamp , Da-Jun Zhang

This work presents a classical Lie point symmetry analysis of a two-component, non-isospectral Lax pair of a hierarchy of partial differential equations in $2+1$ dimensions, which can be considered as a modified version of the Camassa-Holm…

Mathematical Physics · Physics 2015-08-05 P. G. Estévez , J. D. Lejarreta , C. Sardón

We propose a natural (2+1)-dimensional generalization of the Ablowitz-Ladik lattice that is an integrable space discretization of the cubic nonlinear Schroedinger (NLS) system in 1+1 dimensions. By further requiring rotational symmetry of…

Exactly Solvable and Integrable Systems · Physics 2011-07-21 Takayuki Tsuchida , Aristophanes Dimakis

In a previous article [N. Delice, F.W. Nijhoff and S. Yoo-Kong, J. Phys. A: Math. Theor. 48(3) (2015), 035206] a novel class of elliptic Lax pairs for integrable lattice equations was introduced. The present article proposes a…

Exactly Solvable and Integrable Systems · Physics 2016-05-04 Frank Nijhoff , Neslihan Delice

In this paper we present novel integrable symplectic maps, associated with ordinary difference equations, and show how they determine, in a remarkably diverse manner, the integrability, including Lax pairs and the explicit solutions, for…

Mathematical Physics · Physics 2020-09-22 Xiaoxue Xu , Mengmeng Jiang , Frank W Nijhoff

We obtain via B\"acklund transformation the Hamiltonian representation for a Lax type nonlinear dynamical system hierarchy on a dual space to the Lie algebra of super-integral-differential operators of one anticommuting variable, extended…

Exactly Solvable and Integrable Systems · Physics 2008-04-24 Oksana Ye. Hentosh

The Lax pair representation in Fourier space is used to obtain a list of integrable scalar evolutionary equations with quadratic nonlinearity. The famous systems of this type such as KdV, intermediate long-wave equation (ILW), Camassa-Holm…

Exactly Solvable and Integrable Systems · Physics 2009-11-07 V. G. Marikhin

We study dissipative dynamics constructed by means of non-commutative Dirichlet forms for various lattice systems with multiparticle interactions associated to CCR algebras. We give a number of explicit examples of such models. Using an…

Mathematical Physics · Physics 2024-01-17 Shreya Mehta , Boguslaw Zegarlinski

We give the solution to the complete noncommutative Kadomtsev--Petviashvili (KP) hierarchy. We achieve this via direct linearisation which involves the Gelfand--Levitan--Marchenko (GLM) equation. This is a linear integral equation in which…

Exactly Solvable and Integrable Systems · Physics 2025-10-03 Gordon Blower , Simon J. A. Malham

We consider the generalized matrix non-linear Schrodinger (NLS) hierarchy. By employing the universal Darboux-dressing scheme we derive solutions for the hierarchy of integrable PDEs via solutions of the matrix Gelfand-Levitan-Marchenko…

Mathematical Physics · Physics 2019-03-08 Anastasia Doikou , Iain Findlay , Spyridoula Sklaveniti

We present a method of determining a Lax representation for similarity reductions of autonomous and non-autonomous partial difference equations. This method may be used to obtain Lax representations that are general enough to provide the…

Exactly Solvable and Integrable Systems · Physics 2013-08-22 C. M. Ormerod , Peter H. van der Kamp , G. R. W. Quispel

The coupled Kadomtsev--Petviashvili system associated with an elliptic curve, proposed by Date, Jimbo and Miwa [J. Phys. Soc. Jpn., 52:766--771, 1983], is reinvestigated within the direct linearisation framework, which provides us with more…

Exactly Solvable and Integrable Systems · Physics 2022-08-12 Wei Fu , Frank W. Nijhoff

Nonisospectral integrable systems can describe solitary waves in nonuniform media. In this paper, we apply the Cauchy matrix approach to construct three types of nonisospectral matrix modified Korteweg-de Vries (mKdV) eqautions and present…

Exactly Solvable and Integrable Systems · Physics 2025-09-01 Mengli Tian , Chunxia Li , Yue Li , Fei Li , Yuqin Yao

We consider two-component integrable generalizations of the dispersionless 2DTL hierarchy connected with non-Hamiltonian vector fields, similar to the Manakov-Santini hierarchy generalizing the dKP hierarchy. They form a one-parametric…

Exactly Solvable and Integrable Systems · Physics 2015-05-18 L. V. Bogdanov

The review is devoted to the integrable properties of the Generalized Kontsevich Model which is supposed to be an universal matrix model to describe the conformal field theories with $c<1$. It is shown that the deformations of the…

High Energy Physics - Theory · Physics 2007-05-23 S. Kharchev

In paper by I.T. Habibullin and our joint paper the algorithm for classification of integrable equations with three independent variables was proposed. This method is based on the requirement of the existence of an infinite set of Darboux…

Exactly Solvable and Integrable Systems · Physics 2021-09-28 Maria N. Kuznetsova

KdV6 equation can be described as the Kupershmidt deformation of the KdV equation (see 2008, Phys. Lett. A 372: 263). In this paper, starting from the bi-Hamiltonian structure of the discrete integrable system, we propose a generalized…

Exactly Solvable and Integrable Systems · Physics 2015-06-15 Yehui Huang , Runliang Lin , Yuqin Yao , Yunbo Zeng

The lattice Gelfand-Dickey hierarchy is a lattice version of the Gelfand-Dickey hierarchy. A special case is the lattice KdV hierarchy. Inspired by recent work of Buryak and Rossi, we propose an extension of the lattice Gelfand-Dickey…

Exactly Solvable and Integrable Systems · Physics 2022-07-11 Kanehisa Takasaki

We propose a scheme for nonlinearizing linear equations to generate integrable nonlinear systems of both the AKNS and the KN classes, based on the simple idea of dimensional analysis and detecting the building blocks of the Lax pair. Along…

Exactly Solvable and Integrable Systems · Physics 2015-05-13 Anjan Kundu

This paper introduces a (3+1)-dimensional dispersionless integrable system, utilizing a Lax pair involving contact vector fields, in alignment with methodologies presented by A. Sergyeyev in 2018. Significantly, it is shown that the…

Exactly Solvable and Integrable Systems · Physics 2024-04-24 Antonio J. Pan-Collantes