TWO PROBLEMS ABOUT COMPOSITION OPERATORS ON HARDY SPACE

In this paper, two problems about composition operator on Hardy space are considered. Firstly, a new estimation of the norm of a class of composition operators is given. Secondly, the cyclic behavior of the adjoint operator of a composition operator is discussed.

作 者： WU Shuhong WANG Maofa Liu Peide   作者單位： WU Shuhong(Department of Mathematics, Huazhong Un rsity of Science and Technology, Wuhan 430074, China)

WANG Maofa,Liu Peide(School of Mathematics and Statistics, Wuhan University, Wuhan 430072, China) 

刊 名： 數(shù)學(xué)物理學(xué)報（英文版）  ISTIC SCI 英文刊名： ACTA MATHEMATICA SCIENTIA  年，卷(期)： 2005 25(3)  分類號： O41  關(guān)鍵詞： Hardy space   composition operator   numerical range   cyclic vector  

【TWO PROBLEMS ABOUT COMPOSITION OPERA】相關(guān)文章：

The Problems of Globalization06-09

Two neighbors06-06

About Interviews05-04

Chapter 9: Correcting Problems with Modifiers05-04

The Two Sides of a Coin(2)05-04

The Two Sides of a Coin(1)05-04

Asking about the Time05-04

About Chatting in English05-04

My Problems英語作文（精選26篇）10-25

Commercial Test of Two Diesel Demulsifiers04-27