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Section B

The perturbation of the Drazin inverse

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Pages 711-726 | Received 30 Sep 2011, Accepted 19 Dec 2011, Published online: 13 Feb 2012
 

Abstract

In this paper, we present the explicit expressions of the perturbation of the Drazin inverse under different conditions. Also, we give the upper bounds of ‖(A+E)DA D P /‖A D P for these cases.

2010 AMS Subject Classifications :

Acknowledgements

This work was supported by the National Natural Science Foundation of China (11061005), the Ministry of Education Science and Technology Key Project under Grant 210164 and Grants (HCIC201103) of Guangxi Key Laborarory of Hybrid Computational and IC Design Analysis Open Fund.

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