Weighted Composition Lambert-Type Operators on L p Spaces

被引：12
|
作者：
Estaremi, Y. [1 ]
Jabbarzadeh, M. R. [2 ]
机构：
[1] Payame Noor Univ, Fac Math Sci, Tehran, Iran
[2] Univ Tabriz, Fac Math Sci, Tabriz, Iran
来源：
MEDITERRANEAN JOURNAL OF MATHEMATICS | 2014年 / 11卷 / 03期
关键词：
Conditional expectation; multiplication operators; composition operators; hyponormal operators;
D O I：
10.1007/s00009-013-0345-2
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper boundedness of a weighted composition Lambert-type operator T = M (w) EM (u) C (phi) acting between two different L (p) (I ) pound spaces is characterized using some properties of conditional expectation operator. Moreover, we establish criteria for hyponormality for these types of operators on L (2)(Sigma).
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页码：955 / 964
页数：10
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