Title of article
On weakly unitarily invariant norm and the λ-Aluthge transformation for invertible operator
Author/Authors
Kazuyoshi Okubo، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
5
From page
48
To page
52
Abstract
Let be an invertible operator with polar decomposition T = UP and commute with T. In this paper we prove that PλBUP1−λ BT , where • is a weakly unitarily invariant norm on and 0 λ 1. As the consequence of this result, we have f(PλUP1−λ) f(T) for any polynomial f.
Keywords
?-Radius , Weakly unitarily invariant norm , Aluthge transformation , ?-Aluthge transformation
Journal title
Linear Algebra and its Applications
Serial Year
2006
Journal title
Linear Algebra and its Applications
Record number
825342
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