An algebraic multilevel preconditioner with low-rank corrections for sparse symmetric matrices

Keyphrases

• Low-rank 100%
• Sparse Symmetric Matrix 100%
• Schur 100%
• Algebraic multilevel Preconditioner 100%
• Low-rank Correction 100%
• Three-dimensional (3D) 33%
• PDE 33%
• Preconditioning Technique 33%
• Multilevel Preconditioning 33%
• Two Dimensional 33%
• Numerical Results 33%
• Discretized 33%
• Approximate Inverse 33%
• Publicly Available 33%
• Traversal 33%
• System of Linear Equations 33%
• Direct Solver 33%
• Tree Structure 33%
• Schur Complement 33%
• Hierarchical Decomposition 33%
• Low-rank Property 33%
• Sparse Symmetric Linear Systems 33%
• Lanczos Tridiagonalization 33%

Engineering

• Two Dimensional 100%
• Illustrates 100%
• Symmetric Matrix 100%
• Schur Complement 100%
• Partial Differential Equation 100%
• Equation System 100%

Mathematics

• Matrix 100%
• Symmetric Matrix 100%
• PDE 33%
• Approximates 33%
• Systems of Linear Equation 33%
• Test Problem 33%
• Tree Structure 33%
• Schur Complement 33%