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%