Additive maps preserving the ascent and descent of operators |
| |
| Authors: | M Bendaoud M Sarih |
| |
| Institution: | aDépartement de Mathématiques, Faculté des Sciences, University Moulay Ismail Meknès, Morocco |
| |
| Abstract: | Let  and  be the algebras of all bounded linear operators on infinite dimensional complex Banach spaces X and Y, respectively. We characterize additive maps from  onto  preserving different quantities such as the nullity, the defect, the ascent, and the descent of operators. |
| |
| Keywords: | Ascent Descent Jordan isomorphism Additive preservers |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
