Almost Invariant Subspaces of the Shift Operator on Vector-Valued Hardy Spaces

Almost Invariant Subspaces of the Shift Operator on Vector-Valued Hardy Spaces
复制标题

向量值 Hardy 空间上移位算子的几乎不变子空间

DOI:
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发表时间:
2020
影响因子:
0.8
通讯作者:
Chandan Pradhan
Chandan Pradhan
中科院分区:
数学3区
文献类型:
--
作者:
A. Chattopadhyay;Soma Das;Chandan Pradhan

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本文刻画了向量值哈代空间上的后移算子的有限亏近不变子空间,它是Chalendar-Gallardo-Partington的一个结果的向量推广.利用后移下几乎不变子空间的这一特征,我们完整地刻画了向量值哈代空间上的后移及其伴随作用下的几乎不变子空间.
In this article, we characterize nearly invariant subspaces of finite defect for the backward shift operator acting on the vector-valued Hardy space which is a vectorial generalization of a result of Chalendar–Gallardo–Partington. Using this characterization of nearly invariant subspace under the backward shift we completely describe the almost invariant subspaces for the shift and its adjoint acting on the vector valued Hardy space.