Journal
APPLIED MATHEMATICS LETTERS
Volume 116, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.aml.2020.107009
Keywords
Riemann-Hilbert problem; Lax pair; Soliton; Nonlocal mKdV equation; Step-like initial value
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Funding
- National Science Foundation of China [11471215]
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The study focuses on the Cauchy problem for the integrable nonlocal modified KdV equation, constructing the solution through solving a 2 x 2 matrix Riemann-Hilbert problem in the complex plane. Additionally, an explicit form of the one-soliton solution is presented in terms of the Riemann-Hilbert problem.
We study the Cauchy problem for the integrable nonlocal modified Korteweg-de Vries (mKdV) equation with a step-like initial data: q(x, 0) = q(0)(x), where q(0)(x) = o(1) as x -> -infinity and q(0)(x) = A + o(1), as x -> infinity, A > 0. We construct the solution of the nonlocal mKdV equation via the solution of a 2 x 2 matrix Riemann-Hilbert problem in the complex plane. Further, The explicit form of the one-soliton solution in a special case is expressed in terms of the Riemann-Hilbert problem. (c) 2021 Elsevier Ltd. All rights reserved.
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