On regular Riesz operators
作者:
Heinrich Raubenheimer,
期刊:
Quaestiones Mathematicae
(Taylor Available online 2000)
卷期:
Volume 23,
issue 2
页码: 179-186
ISSN:1607-3606
年代: 2000
DOI:10.2989/16073600009485966
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The r-asymptotically quasi finite rank operators on Banach lattices are examples of regular Riesz operators. We characterise Riesz elements in a subalgebra of a Banach algebra in terms of Riesz elements in the Banach algebra. This enables us to characterize r-asymptotically quasi finite rank operators in terms of adjoint operators. The r-asymptotically quasi finite rank operators are also employed to study the following problem: Suppose operatorsSandTon a Banach latticeEsatisfy 0 ≤S≤T. IfTis a Riesz operator, when is it true thatSis a Riesz operator?
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