迪里希勒空间上具有封闭范围的合成算子

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-03-30 DOI:10.1007/s43037-024-00334-0

Guangfu Cao, Li He

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引用次数: 0

摘要

众所周知，哈代或伯格曼空间上的组成算子有一个封闭的范围，当且仅当其内万林纳计数函数诱导一个反向卡列松度量时。类似的结论在 Dirichlet 空间上并不存在。具体地说，反向卡列松度量不足以确保相应组成算子的范围是封闭的。然而，在某些假设条件下，我们在本文中设定了迪里希勒空间上的组成算子具有封闭范围的必要条件和充分条件。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Composition operators with closed range on the Dirichlet space

It is well known that the composition operator on Hardy or Bergman space has a closed range if and only if its Nevanlinna counting function induces a reverse Carleson measure. Similar conclusion is not available on the Dirichlet space. Specifically, the reverse Carleson measure is not enough to ensure that the range of the corresponding composition operator is closed. However, under certain assumptions, we in this paper set the necessary and sufficient condition for a composition operator on the Dirichlet space to have closed range.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.