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arXiv 1809.07884math-phmath.MPmath.SP
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扰动离散薛定谔算子奇异连续谱的不存在性

Absence of singular continuous spectrum for perturbed discrete Schrödinger operators

Wencai Liu

摘要:

证明了离散薛定谔算子$ (Hu)(n)= u({n+1})+u({n-1})+V(n)u(n)$的谱测度不具有奇异连续分量,如果位势$V(n)=O(n^{-1})$ .

英文摘要:

We show that the spectral measure of discrete Schrödinger operators $ (Hu)(n)= u({n+1})+u({n-1})+V(n)u(n)$ does not have singular continuous component if the potential $V(n)=O(n^{-1})$.

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