Finite rank sums of products of Toeplitz and Hankel operators

Finite rank sums of products of Toeplitz and Hankel operators
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DOI:
10.1016/j.jmaa.2012.08.014
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发表时间:
2013-01
影响因子:
1.3
通讯作者:
Y. J. Lee
Y. J. Lee
中科院分区:
数学3区
文献类型:
--
作者:
Y. J. Lee

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在单位盘的Dirichlet空间上,我们考虑Toeplitz积、Hankel积或Toeplitz和Hankel算子的积的有限和算子。然后给出了这些算子在狄利克雷空间上的有限秩的刻画。
On the Dirichlet space of the unit disk, we consider operators which are finite sums of Toeplitz products, Hankel products or products of Toeplitz and Hankel operators. We then give characterizations of when such operators have finite rank on the Dirichlet space.