Journal
JOURNAL OF GEOMETRY AND PHYSICS
Volume 177, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.geomphys.2022.104522
Keywords
Matrix spectral problem; Nonlocal integrable equation; mKdV equations; Riemann-Hilbert problem; Soliton solution
Categories
Funding
- NSFC [11975145, 11972291, 51771083]
- Ministry of Sci-ence and Technology of China [G2021016032L]
- Natural Science Foundation for Colleges and Universities in Jiangsu Province [17 KJB 110020]
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Two nonlocal group reductions were used to generate a class of nonlocal reverse-spacetime integrable mKdV equations from the AKNS matrix spectral problems, leading to soliton solutions through solving corresponding generalized Riemann-Hilbert problems with the identity jump matrix.
We conduct two nonlocal group reductions of the AKNS matrix spectral problems to generate a class of nonlocal reverse-spacetime integrable mKdV equations. One reduction replaces the spectral parameter with its negative complex conjugate while the other does not change the spectral parameter. Beginning with the specific distribution of eigenvalues, we construct soliton solutions by solving the corresponding generalized Riemann-Hilbert problems with the identity jump matrix, where eigenvalues could equal adjoint eigenvalues. (c) 2022 Elsevier B.V. All rights reserved.
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