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Essential numerical range and maximal numerical range of the Aluthge transform

✍ Scribed by Ji, Guoxing; Liu, Ni; Li, Ze


Book ID
120165950
Publisher
Taylor and Francis Group
Year
2007
Tongue
English
Weight
139 KB
Volume
55
Category
Article
ISSN
0308-1087

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πŸ“œ SIMILAR VOLUMES


On generalized numerical range of the Al
✍ Masatoshi Ito; Hiroshi Nakazato; Kazuyoshi Okubo; Takeaki Yamazaki πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 English βš– 130 KB

In this paper the authors show that the Aluthge transformation T of a matrix T and a polynomial f satisfy the inclusion relation W C (f ( T )) βŠ‚ W C (f (T )) for the generalized numerical range if C is a Hermitian matrix or a rank-one matrix.

On the Range of the Aluthge Transform
✍ Guoxing Ji; Yongfeng Pang; Ze Li πŸ“‚ Article πŸ“… 2006 πŸ› SP BirkhΓ€user Verlag Basel 🌐 English βš– 148 KB