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Breathers of Discrete One-dimensional Nonlinear Schrödinger Equations in Inhomogeneous Media
Shuguan Ji, Zhenhua Wang
Source abstract
This paper is concerned with the breathers of discrete one-dimensional nonlinear Schrödinger equations in inhomogeneous media. By using a constrained minimization approach known as the Nehari variational principle or the Nehari manifold approach, we obtain the existence of nontrivial breathers.
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