Operators with singular continuous spectrum: II. Rank one operators

Operators with singular continuous spectrum: II. Rank one operators
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具有奇异连续谱的算子:II。

DOI:
10.1007/bf02099737
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发表时间:
1994
影响因子:
2.4
通讯作者:
Barry Simon
Barry Simon
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
R. Rio;Nikolai Makarov;Barry Simon

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对于具有循环向量ϕ的算子A,我们研究了A+λP,其中P是ϕ的倍数上的秩一投影。如果[α,β]⊂SPEC(A)ANDA没有交流。谱,我们证明了对于λ的S的稠密α,β,A+δP在(λ)上具有纯奇异连续谱。
For an operator,A, with cyclic vector ϕ, we studyA+λP, whereP is the rank one projection onto multiples of ϕ. If [α,β] ⊂ spec (A) andA has no a.c. spectrum, we prove thatA+λP has purely singular continuous spectrum on (α,β) for a denseGδ of λ's.