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推广的Volterra复合算子的本性范数(英文)

ESSENTIAL NORMS OF THE GENERALIZED VOLTERRA COMPOSITION OPERATORS
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摘要 本文研究单位圆盘上Bergman型空间到Zygmund型空间上的一类推广的Volterra复合算子.利用符号函数φ和g刻画这类算子的有界性、紧性,并计算其本性范数. In this paper,we introduce a generalized Volterra composition operator on H(D) by Jφ,g^(n) f(z) =∫0^z(f^n°φ)(ξ)(g°φ)(ξ)dξ.By using the maps ? and g,we characterize the bound-edness and compactness of this operator from Bergman-type space to weighted Zygmund space and weighted Bloch space.We also obtain an asymptotic expression of the essential norm for this operator.
作者 江治杰
出处 《数学杂志》 CSCD 北大核心 2016年第5期929-939,共11页 Journal of Mathematics
基金 Supported by the National Natural Science Foundation of China(11201323) the Sichuan Province University Key Laboratory of Bridge Non-destruction Detecting and Engineering Computing(2013QZJ01) the Introduction of Talent Project of SUSE(2014RC04)
关键词 Bergman型空间 加权Zygmund空间 推广的Volterra复合算子 本性范数 Bergman-type space weighted Zygmund space generalized Volterra composition operator essential norm
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参考文献18

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