Regularized DPSS preconditioners for non-Hermitian saddle point problems

DOI10.1016/j.aml.2018.04.021zbMath1503.65057OpenAlexW2802858108MaRDI QIDQ1644231

Yang Cao

Publication date: 21 June 2018

Published in: Applied Mathematics Letters (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.aml.2018.04.021

zbMATH Keywords

convergenceregularizationpreconditioningnon-Hermitian saddle point problemsdeteriorated positive and skew-Hermitian splitting

Mathematics Subject Classification ID

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

Related Items (8)

Semiconvergence of the extended PSS method for singular generalized saddle point problems ⋮ Semi-regularized Hermitian and skew-Hermitian splitting preconditioning for saddle-point linear systems ⋮ Regularized DPSS preconditioners for generalized saddle point linear systems ⋮ On the regularization matrix of the regularized DPSS preconditioner for non-Hermitian saddle-point problems ⋮ Convergence analysis for modified PAHSS-PU method with new parameter setting ⋮ Newton-PGSS and its improvement method for solving nonlinear systems with saddle point Jacobian matrices ⋮ A block positive-semidefinite splitting preconditioner for generalized saddle point linear systems ⋮ Spectral analysis of the matrix splitting preconditioner for block two-by-two linear systems

Cites Work

• Unnamed Item
• A simplified HSS preconditioner for generalized saddle point problems
• Eigenvalue estimates for saddle point matrices of Hermitian and indefinite leading blocks
• Regularized HSS iteration methods for saddle-point linear systems
• New preconditioners for saddle point problems
• A relaxed deteriorated PSS preconditioner for nonsymmetric saddle point problems from the steady Navier-Stokes equation
• Natural Preconditioning and Iterative Methods for Saddle Point Systems
• Numerical solution of saddle point problems
• Hermitian and Skew-Hermitian Splitting Methods for Non-Hermitian Positive Definite Linear Systems
• A Preconditioner for Generalized Saddle Point Problems
• A Relaxed HSS Preconditioner for Saddle Point Problems from Meshfree Discretization

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