Volume 42, Issue 4 pp. 1099-1113
RESEARCH ARTICLE

Riemann-Hilbert problems and soliton solutions of a multicomponent mKdV system and its reduction

Wen-Xiu Ma

Corresponding Author

Wen-Xiu Ma

College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai, China

Department of Mathematics, King Abdulaziz University, Jeddah, Saudi Arabia

Department of Mathematics and Statistics, University of South Florida, Tampa, Florida

Department of Mathematics, Zhejiang Normal University, Jinhua, China

College of Mathematics and Systems Science, Shandong University of Science and Technology, Qingdao, China

International Institute for Symmetry Analysis and Mathematical Modelling, Department of Mathematical Sciences, North-West University, Mafikeng Campus, Mmabatho, South Africa

Correspondence

Wen-Xiu Ma, Department of Mathematics and Statistics, University of South Florida, Tampa FL 33620-5700.

Email: [email protected]

Communicated by: G. Franssens

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First published: 11 December 2018
Citations: 39

Abstract

An arbitrary order matrix spectral problem is introduced and its associated multicomponent AKNS integrable hierarchy is constructed. Based on this matrix spectral problem, a kind of Riemann-Hilbert problems is formulated for a multicomponent mKdV system in the resulting AKNS integrable hierarchy. Through special corresponding Riemann-Hilbert problems with an identity jump matrix, soliton solutions to the presented multicomponent mKdV system are explicitly worked out. A specific reduction of the multicomponent mKdV system is made, together with its reduced Lax pair and soliton solutions.

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