On the failure of optimal factorization for certain weighted bergman spaces

On the failure of optimal factorization for certain weighted bergman spaces
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DOI:
10.1080/17476939208814569
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发表时间:
1992-08
影响因子:
0.9
通讯作者:
H. Hedenmalm;Kehe Zhu
H. Hedenmalm;Kehe Zhu
中科院分区:
数学4区
文献类型:
--
作者:
H. Hedenmalm;Kehe Zhu

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在这篇文章中,我们证明[2]中的因式分解定理无法推广到盘上的加权伯格曼L2空间,当α>1时,权重为(α+1)(1−|z|2)α;极限 1 是尖锐的,因为对于 α=1,它确实可以推广 [3] 我们还表明,类似的因式分解定理通常不适用于多重连通平面域中的普通伯格曼 L2 空间。
In this note we show that the factorization theorem in [2] fails to generalize to the weighted Bergman L2-space on the disc with weight (α+1)(1−|z|2)α for α>1; he limit 1 is sharp, because for α=1, it does generalize [3] We also show that a similar factorization theorem fails to hold generally for the ordinary Bergman L2 space In multiply connected planar domains.