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Two-component generalized Ragnisco–Tu equation and the Riemann–Hilbert problem
Theoretical and Mathematical Physics ( IF 1.0 ) Pub Date : 2020-10-01 , DOI: 10.1134/s0040577920100050
L. L. Wang , C. Song , J. Zhu

Using the Riemann–Hilbert approach, we investigate the two-component generalized Ragnisco–Tu equation. The modified equation is integrable in the sense that a Lax pair exists, but its explicit solutions have some distinctive properties. We show that the explicit one-wave solution is unstable and the two-wave solution preserves only the phase shift but not the wave shape after collision.

中文翻译:

二分量广义 Ragnisco-Tu 方程和 Riemann-Hilbert 问题

使用 Riemann-Hilbert 方法,我们研究了二分量广义 Ragnisco-Tu 方程。修改后的方程在存在 Lax 对的意义上是可积的,但其显式解具有一些独特的性质。我们表明显式一波解是不稳定的,二波解只保留相移而不保留碰撞后的波形。
更新日期:2020-10-01
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