Differences of Composition Operators on Bloch Type Spaces

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• 作者：Yecheng Shi ; Songxiao Li
• 关键词：Bloch type space ; Difference ; Composition operators ; Essential norm
• 刊名：Complex Analysis and Operator Theory
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：11
• 期：1
• 页码：227-242
• 全文大小：
• 刊物类别：Mathematics and Statistics
• 刊物主题：Mathematics, general; Operator Theory; Analysis;
• 出版者：Springer International Publishing
• ISSN：1661-8262
• 卷排序：11

文摘

In this paper, we study the boundedness, compactness and essential norm of differences of composition operators \(C_{\varphi }-C_{\psi }\) on Bloch type spaces. In particular, we use the Bloch type norm of \(\varphi ^n-\psi ^n\) to characterize these.