On the stability of the dnoidal waves for the Schr\"odinger-KdV system
Abstract
We study the periodic Schr\"odinger-Korteweg de Vries system. We describe the two-parametetric family of 2T periodic traveling waves of dnoidal type. The main objective of the paper is to establish their spectral stability with respect to co-periodic perturbations. In the limit T ∞, we recover the results of Albert-Angulo, for the stability of the soliton solutions of this system on the real line.
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