Nevanlinna类在Cesaro和Volterra算子作用下的非不变性
Non-invariance of the Nevanlinna class under the action of the Cesaro and Volterra operators
摘要:
利用Hayman的一个结果,我们证明了单位圆盘上的全纯函数的Nevanlinna类在Cesaro算子的作用下是不变性的,更一般地,在Volterra算子作用下是不变性的,只要它们的导数的倒数属于Nevanlinna类.
英文摘要:
Using a result of Hayman, we show that the Nevanlinna class of holomorphic functions on the unit disc is not invariant under the action of the Cesaro operator and more generally under the action of Volterra operators on elements g,provided that their derivative's reciprocal belongs to the Nevanlinna class.
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