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nlin.SI2017★ 22 cited
Completion of the Ablowitz-Kaup-Newell-Segur integrable coupling
Shoufeng Shen, Chunxia Li, Yongyang Jin +1
Integrable couplings are associated with non-semisimple Lie algebras. In this paper, we propose a new method to generate new integrable systems through making perturbation in matri…
nlin.SI2017
From discrete nonlocal nonlinear Schrödinger equation to coupled discrete Heisenberg ferromagnet equation
Li-Yuan Ma, Shou-Feng Shen, Zuo-Nong Zhu
In this paper, we show that the nonlocal discrete focusing nonlinear Schrödinger (NLS) and nonlocal discrete defocusing NLS equation are gauge equivalent to the discrete coupled He…