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On the asymptotic stability of localized modes in the discrete nonlinear Schrödinger equation

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  • Asymptotic stability of localized modes in the discrete nonlinear Schrödinger equation was earlier established for septic and higher-order nonlinear terms by using Strichartz estimate. We use here pointwise dispersive decay estimates to push down the lower bound for the exponent of the nonlinear terms.
    Mathematics Subject Classification: Primary: 37K60; Secondary: 35Q55, 37K40.


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