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arXiv math/0008136math.SPmath-phmath.MP
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伪遍历算子的Spectral Theory

Spectral Theory of Pseudo-Ergodic Operators

E. B. Davies

摘要:

定义了一类作用在空间$l^2(X)$中的伪遍历非自伴Schr dinger算子,并证明了关于其谱性质的一些一般定理.然后,我们应用这些研究的频谱的非自伴安德森模型作用于$l^2(\Z)$,并找到精确的条件0躺在频谱的运营商。我们还介绍了这样的运营商的局部化谱的概念。

英文摘要:

We define a class of pseudo-ergodic non-self-adjoint Schrödinger operators acting in spaces $l^2(X)$ and prove some general theorems about their spectral properties. We then apply these to study the spectrum of a non-self-adjoint Anderson model acting on $l^2(\Z)$, and find the precise condition for 0 to lie in the spectrum of the operator. We also introduce the notion of localized spectrum for such operators.

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