A generalized shift-splitting preconditioner for saddle point problems

@article{Chen2015AGS,
  title={A generalized shift-splitting preconditioner for saddle point problems},
  author={Cai-Rong Chen and Changfeng Ma},
  journal={Appl. Math. Lett.},
  year={2015},
  volume={43},
  pages={49-55}
}
For saddle point problems with symmetric positive definite (1, 1)-block, a generalized shift-splitting preconditioner is presented. Theoretical analysis shows the generalized shiftsplitting iteration method is unconditionally convergent. Numerical experiments arising from a model Stokes problem are provided to show the effectiveness of the proposed preconditioner. 

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