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Dispersion Estimates for One-dimensional Discrete Schrödinger and Wave Equations

We derive dispersion estimates for solutions of the one-dimensional discrete perturbed Schrödinger and wave equations. In particular, we improve upon previous works and weaken the conditions on the potentials. To this end we also provide new results concerning scattering for one-dimensional discrete perturbed Schrödinger operators which are of independent interest. Most notably we show that the reflection and transmission coefficients belong to the Wiener algebra.

preprint2015arXivOpen access
Iryna EgorovaElena KopylovaGerald Teschl
math.APmath-phmath.MPmath.SP
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Iryna EgorovaElena KopylovaGerald Teschl

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