POWERS OF AN INVERTIBLE (s,p)-w-HYPONORMAL OPERATOR

doi:10.1016/S0252-9602(08)60028-4

数学物理学报(英文版)

POWERS OF AN INVERTIBLE (s,p)-w-HYPONORMAL OPERATOR

李海英

武汉大学数学与统计学院, 武汉 430072 河南师范大学数学与信息学院, 新乡 453007

收稿日期:2005-12-14 修回日期:2006-08-28 出版日期:2008-04-20 发布日期:2008-04-20
通讯作者: 李海英
基金资助:
Supported by Science Foundation of Ministry of Education of China

POWERS OF AN INVERTIBLE (s,p)-w-HYPONORMAL OPERATOR

Li Haiying

School of Mathematics and Statistics, Wuhan University, Wuhan 430072, China
College of Mathematics and Information Science, Henan Normal University, Xinxiang 453007, China

Received:2005-12-14 Revised:2006-08-28 Online:2008-04-20 Published:2008-04-20
Contact: Li Haiying

摘要/Abstract

摘要：

It is known that the square of a w-hyponormal operator is also w-hyponormal. For any 00, 0characterization of (s,p)-w-hyponormal operators; the author shows that all
integer powers of special (s,p)-w-hyponormal operators are (s,p)-w-hyponormal.

关键词: Furuta inequality, Lowner-Heinz inequality, p-w-hyponormal, (s,p)-w-hyponormal

Abstract:

Key words: Furuta inequality, Lowner-Heinz inequality, p-w-hyponormal, (s,p)-w-hyponormal

中图分类号:

47B20

李海英. POWERS OF AN INVERTIBLE (s,p)-w-HYPONORMAL OPERATOR[J]. 数学物理学报(英文版), 2008, 28(2): 282-288.

Li Haiying. POWERS OF AN INVERTIBLE (s,p)-w-HYPONORMAL OPERATOR[J]. Acta mathematica scientia,Series B, 2008, 28(2): 282-288.

POWERS OF AN INVERTIBLE (s,p)-w-HYPONORMAL OPERATOR

POWERS OF AN INVERTIBLE (s,p)-w-HYPONORMAL OPERATOR

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