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On the existence of gap solitons in a periodic discrete nonlinear Schrödinger equation with saturable nonlinearity. (English) Zbl 1193.35176


MSC:

35Q51 Soliton equations
35Q55 NLS equations (nonlinear Schrödinger equations)
37K40 Soliton theory, asymptotic behavior of solutions of infinite-dimensional Hamiltonian systems
35A35 Theoretical approximation in context of PDEs
39A12 Discrete version of topics in analysis

Citations:

Zbl 1220.35163
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