This paper deals with the transmission of a soliton in a discrete, nonlinear, and random medium. A random lattice nonlinear Schrodinger equation is considered, where the randomness holds in the on-site potential or in the coupling coefficients. We study the interplay of nonlinearity, randomness, and discreteness. We derive effective evolution equations for the soliton parameters by applying a perturbation theory of the inverse scattering transform and limit theorems of stochastic calculus.
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