A note on spectrum analysis of augmentation block Schur complement preconditioners

DOI10.1007/s11075-011-9504-3zbMath1247.65043OpenAlexW2034813372MaRDI QIDQ411532

Zhi-Hao Cao

Publication date: 4 April 2012

Published in: Numerical Algorithms (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11075-011-9504-3

zbMATH Keywords

eigenvaluesSchur complementaugmentationminimal polynomialnullityspectrum analysisblock preconditionerssaddle point systems

Mathematics Subject Classification ID

Iterative numerical methods for linear systems (65F10) Preconditioners for iterative methods (65F08)

Related Items (3)

A preconditioned GLHSS iteration method for non-Hermitian singular saddle point problems ⋮ A block upper triangular preconditioner with two parameters for saddle-point problems ⋮ On augmentation block triangular preconditioners for regularized saddle point problems

Cites Work

• Unnamed Item
• Augmentation block preconditioners for saddle point-type matrices with singular (1, 1) blocks
• Matrix Analysis
• A Note on Preconditioning for Indefinite Linear Systems
• An Algebraic Analysis of a Block Diagonal Preconditioner for Saddle Point Systems

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