A hierarchical low rank schur complement preconditioner for indefinite linear systems

Keyphrases

• Low-rank 100%
• Indefinite Systems 100%
• Schur Complement Preconditioner 100%
• Partial Differential Equations 50%
• Iterative Methods 50%
• Numerical Results 50%
• Discretized 50%
• Approximate Inverse 50%
• Non-axisymmetric 50%
• Publicly Available 50%
• Arnoldi Method 50%
• Tree Structure 50%
• Schur Complement 50%
• Block LU Factorization 50%
• Block Structure 50%
• Schur 50%
• Hierarchical Decomposition 50%
• Structured Matrices 50%
• Preconditioning Strategy 50%
• Low-rank Property 50%
• J-matrix 50%
• Low-rank Correction 50%
• Block Preconditioning 50%
• Correction Matrix 50%
• Matrix-based 50%

Mathematics

• Matrix 100%
• Linear System 100%
• Schur Complement 100%
• PDE 20%
• Approximates 20%
• Test Problem 20%
• Iterative Method 20%
• LU Factorization 20%
• Structured Matrix 20%
• Tree Structure 20%