Multiscale reduction of discrete nonlinear Schroedinger equations
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🧮 math-ph
math.MP
keywords
multiscalediscreteequationsintegrabilitynonlinearschroedingeranalysisanalytic
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We use a discrete multiscale analysis to study the asymptotic integrability of differential-difference equations. In particular, we show that multiscale perturbation techniques provide an analytic tool to derive necessary integrability conditions for two well-known discretizations of the nonlinear Schroedinger equation.
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