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A STUDY ON OPERATORS SATISFYING |T^2| ≥ |T^∗|^2

Authors
이재원전인호
Issue Date
2011
Publisher
강원경기수학회
Keywords
*-class A operator; the property (β)
Citation
한국수학논문집, v.19, no.1, pp.61 - 64
Journal Title
한국수학논문집
Volume
19
Number
1
Start Page
61
End Page
64
URI
https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/2754
ISSN
1976-8605
Abstract
Let A^* denotes the class of operators satisfying |T^2| ≥ |T^*|^2. In this paper,we show if the restriction to a non-trivial invariant subspace M of an operator T ∈ A^* is normal, then M reduces T.
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