Symbol-Based Multilevel Block 𝜏 Preconditioners for Multilevel Block Toeplitz Systems: GLT-Based Analysis and Applications

Keyphrases

• Block Preconditioners 100%
• Block Toeplitz Systems 100%
• Multilevel Toeplitz 100%
• Symbol-based 100%
• Toeplitz System 75%
• Coefficient Matrix 50%
• Multilevel Preconditioner 50%
• High Efficiency 25%
• Numerical Examples 25%
• Space-fractional Diffusion Equation 25%
• Preconditioned Matrix 25%
• Eigenvalues 25%
• Superior Performance 25%
• Generating Function 25%
• Preconditioned Conjugate Gradient Method 25%
• Non-axisymmetric 25%
• Ill-conditioned Problem 25%
• Matrix Sequence 25%
• Symmetrized 25%
• Multilevel Matrices 25%
• Optimal Convergence Rate 25%
• Symmetric Systems 25%
• Rapid Convergence 25%
• Minimal Residual Method 25%
• Preconditioning Strategy 25%
• Symmetrization 25%
• Nonsymmetric Systems 25%
• Matrix Size 25%
• Hankel Structure 25%

Engineering

• Coefficient Matrix 100%
• Numerical Example 50%
• Eigenvalue 50%
• Fractional Diffusion Equation 50%
• Convergence Rate 50%
• Conjugate Gradient Method 50%
• Symmetric System 50%
• Symmetrization 50%

Mathematics

• Matrix (Mathematics) 100%
• Coefficient Matrix 66%
• Numerical Example 33%
• Convergence Rate 33%
• Fractional Diffusion Equation 33%
• Eigenvalue 33%
• Generating Function 33%
• Conjugate Gradient Method 33%
• Minimal Residual Method 33%
• Renewed Interest 33%