EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS

数学物理学报(英文版) ›› 2002, Vol. 22 ›› Issue (2): 222-226.

EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS

董浙, 鲁世杰

Institute of Mathematics, Fudan University, Shanghai 200433, China Department of Mathematics, Zhejiang University, Hangzhou 310027, China

出版日期:2002-04-15 发布日期:2002-04-15
基金资助:
This work was supported by the National Natural Science Foundation of China.

EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS

DONG Zhe, LU Shi-Jie

Institute of Mathematics, Fudan University, Shanghai 200433, China Department of Mathematics, Zhejiang University, Hangzhou 310027, China

Online:2002-04-15 Published:2002-04-15
Supported by:
This work was supported by the National Natural Science Foundation of China.

摘要/Abstract

摘要：

In this paper, the extreme points of the unit ball of diagonal-disjoint ideals I in nest algebras are characterized completely; Furthermore, it is shown that every extreme point of the unit ball of I has essential-norm one.

关键词: Diagonal-disjoint ideals, extreme points, contractive perturbation

Abstract:

Key words: Diagonal-disjoint ideals, extreme points, contractive perturbation

中图分类号:

47L75

董浙, 鲁世杰. EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS[J]. 数学物理学报(英文版), 2002, 22(2): 222-226.

DONG Zhe, LU Shi-Jie. EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS[J]. Acta mathematica scientia,Series B, 2002, 22(2): 222-226.

EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS

EXTREME POINTS IN DIAGONAL-DISJOINT IDEALS OF NEST ALGEBRAS

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