Pointwise multipliers on the weighted BMOA space

Pointwise multipliers on the weighted BMOA space
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加权 BMOA 空间上的逐点乘法器

DOI:
10.1088/1742-6596/1592/1/012062
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发表时间:
2020
期刊:
Journal of Physics: Conference Series
影响因子:
--
通讯作者:
Ye Shanli
Ye Shanli
中科院分区:
其他
文献类型:
--
作者:
Ye Shanli

文献摘要

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设={z:|z|<1}是复平面C中的单位圆,Φ:→C是解析映射。研究对数加权BMOA空间\(bmo{A}_{\mathm{Φ}}=\{g\in H({\mathbb{D}):{\sup}_{a\in{\mathbb{D}{(\mathm{log}\frac{2}{1-|a{|}^{2})}^{2}{\int}{{\mathbb{D}{|{g}^{{\rm{{\Prime}(Z)|}^{2}(1-{|{\varphi}_{a}(Z)|}^{2})dm(Z)\lt{\rm{\inty}}\}\)。得到了算子MΦ在BMOAlog上是有界算子的一个充分条件。我们还得到了算子MΦ在BMOAlog上有界的另一个必要条件。
Let={z:| z|< 1} be the unit disk in the complex plane C, Φ:→ C is a analytic map. We study the multiplication operator M Φ on the logarithmic weighted BMOA space\(BMO {A} _ {\mathrm {log}}=\{g\in H ({\mathbb {D}}):{\sup} _ {a\in {\mathbb {D}}}{(\mathrm {log}\frac {2}{1-| a {|}^{2}})}^{2}{\int} _ {{\mathbb {D}}}{|{g}^{{\rm {{\prime}}}}(z)|}^{2}(1-{|{\varphi} _ {a}(z)|}^{2}) dm (z)\lt {\rm {\infty}}\}\). We obtain that a sufficient condition for the operator M Φ to be a bounded operator on BMOA log. We also get that another necessary condition for the operator M Φ to be bounded on BMOA log.