SOME PROPERTIES OF m-ISOMETRIES AND m-INVERTIBLE OPERATORS ON BANACH SPACES

被引：15
|
作者：
Ahmed, Ould [1 ]
Ahmed, Mahmoud Sid [1 ]
机构：
[1] Aljouf Univ, Dept Math, Coll Sci, Aljouf 2014, Saudi Arabia
来源：
ACTA MATHEMATICA SCIENTIA | 2012年 / 32卷 / 02期
关键词：
m-isometry; m-left inverse; m-right inverse; approximate spectrum; point spectrum; HILBERT-SPACE; TRANSFORMATIONS;
D O I：
10.1016/S0252-9602(12)60034-4
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
This article has two purposes: the first is to give some structure results for the class of m-isometries, and the second purpose is to extend the notions of left and right inverses to m-left and m-right inverses respectively.
引用
收藏
页码：520 / 530
页数：11
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