|
|||||
|
|
A note on roots and powers of partial isometries |
|
| Authors: | H Ezzahraoui M Mbekhta A Salhi E H Zerouali |
| Institution: | 1.Faculty of Sciences,Mohamed V University,Rabat,Morocco;2.UMR-CNRS 8524,Université Lille 1 UFR de Mathématiques,Villeneuve d’Ascq,France |
| Abstract: | Let T be a bounded operator and let \(k \ge 2\) be an integer. We study in this paper the following question: T is a partial isometry implies that \(T^k\) is a partial isometry and conversely. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |