Some additive results on Drazin Inverses

• Author(s): Patrício, Pedro ; Hartwig, Robert E.
• Date: 2009
• Persistent ID: http://hdl.handle.net/1822/10533
• Origin: RepositóriUM - Universidade do Minho
• Subject(s): Drazin inverse; Block matrices
• Document Type: Article
• Language: English

Description

In this paper, some additive results on Drazin inverse of a sum of Drazin invertible elements are derived. Some converse results are also presented.