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JOURNALS // Teoreticheskaya i Matematicheskaya Fizika // Archive

TMF, 2023 Volume 214, Number 1, Pages 43–80 (Mi tmf10324)

This article is cited in 4 papers

Exact solitons of an $N$-component discrete coupled integrable system

A. Inam, M. ul Hassan

Department of Physics, University of the Punjab, Lahore, Pakistan

Abstract: An $N$-component discrete coupled (dC) system is presented. The Lax pair of the system is written in terms of $2\times 2$ matrices and generalized to $2^N\times 2^N$ matrices, giving rise to an $N$-component discrete coupled system. A Darboux matrix is introduced to construct solutions of the Lax pair equations giving rise to solutions of the dC system. Soliton solutions of the dC system are computed and their interactions are studied.

Keywords: discrete integrable systems, solitons, Darboux transformation.

Received: 14.06.2022
Revised: 09.08.2022

DOI: 10.4213/tmf10324


 English version:
Theoretical and Mathematical Physics, 2023, 214:1, 36–71

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© Steklov Math. Inst. of RAS, 2026