A note on additive results for the Drazin inverse

@inproceedings{Wei2011ANO,
  title={A note on additive results for the Drazin inverse},
  author={Yimin Wei and Chunyuan Deng},
  year={2011}
}
For two square matrices that commute, we present some additive results for the Drazin inverse. We also give the application to relative perturbation of eigenvalues when the perturbed matrix commutes with the original matrix and perturbation bounds of the Drazin inverse.