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Keyphrases
Preconditioned Matrix
56%
Minimal Residual Method
54%
Linear Systems
50%
Eigenvalues
45%
Block-circulant Preconditioners
42%
Non-axisymmetric
41%
Generalized Minimal Residual (GMRES)
39%
All-at-once System
37%
Toeplitz System
34%
Numerical Examples
33%
Preconditioning Strategy
31%
MINRES Method
31%
Preconditioning Technique
31%
Parallel-in-time
31%
Evolutionary Partial Differential Equations
30%
Toeplitz
30%
Wave Equation
26%
Block Toeplitz Systems
26%
Modified Matrix
23%
Absolute Value
23%
Block Toeplitz
22%
All-at-once
22%
Evolutionary PDEs
21%
Matrix Sequence
21%
Multilevel Toeplitz
21%
Symmetrized
21%
Symmetric Positive Definite
21%
Discretize
19%
Circulant Preconditioner
17%
Preconditioned System
15%
Diagonalization
15%
Symmetrization
15%
Discrete Sine Transform
15%
Convergence Rate
14%
Fast Fourier Transform
13%
Parabolic Equation
13%
Rapid Convergence
13%
Ill-conditioned Problem
12%
Optimal Control Problem
12%
Fractional Diffusion Equation
12%
Matrix Size
12%
Minimal Residual
11%
Block-circulant
10%
Optimal Block Size
10%
Evolutionary Equations
10%
Neural Network Approximation
10%
Spectral Distribution Theory
10%
Asymptotic Spectral Analysis
10%
Linear Wave Equation
10%
Spectral Symbol
10%
Smooth Function
10%
Sine Transform
10%
Deep Neural Network
10%
Hermitian
10%
Weakly Singular Kernel
10%
Optimal Control
10%
Spectral Distribution
10%
Space-fractional Diffusion Equation
10%
Time Discretization
10%
Laplacian Systems
10%
Shifted Laplacian
10%
Optimal Preconditioner
10%
Fast Convergence
10%
Numerical Experiments
10%
Value-based
10%
Evolutionary Differential Equations
10%
Circulant
10%
Parabolic Optimal Control Problems
10%
Mesh Independent
10%
Mesh Size
10%
Permutation Matrix
9%
Size-independent
9%
Non-Hermitian
8%
Preconditioned Krylov Subspace Methods
8%
Numerical Results
8%
Large Classes
7%
Convergence Guarantee
7%
Block-diagonal Preconditioning
7%
Partial Differential Equations
7%
Numerical Solution
7%
Fast Sine Transform
7%
Approximation Results
7%
Non-asymptotic
7%
Coefficient Matrix
7%
Rate of Approximation
7%
Commuting
7%
Symmetric Blocks
7%
Block Toeplitz Matrix
7%
Simple Permutation
7%
Disjoint Intervals
7%
Hankel
7%
Numerical Linear Algebra
5%
Time-dependent Partial Differential Equations
5%
Minimal Polynomial
5%
Transform Matrix
5%
Backward Difference
5%
Hermitian Positive Definite
5%
Matrix-vector multiplication
5%
Block Tridiagonal
5%
Conjugate Gradient Method
5%
High-order
5%
Krylov Subspace Methods
5%
Normal Equations
5%
Time Discretization Scheme
5%
Preconditioned Conjugate Gradient Method
5%
McDonald's
5%
Time Execution
5%
Eigenvalue Clustering
5%
Optimal Convergence Rate
5%
Discretization Scheme
5%
Singular Values
5%
Novel Class
5%
Second-order Discretization
5%
Schur Complement
5%
Evolutionary Process
5%
Mathematics
Matrix (Mathematics)
100%
Minimal Residual Method
84%
Partial Differential Equation
54%
Eigenvalue
50%
Linear System
50%
Residuals
35%
Wave Equation
31%
Numerical Example
29%
Absolute Value
23%
Positive Definite
23%
Fractional Diffusion Equation
23%
Optimal Control Problem
15%
Sine Transform
15%
Spectral Distribution
14%
Discrete Sine Transform
14%
Fast Fourier Transform
14%
Parabolic Equation
14%
Discretization
13%
Asymptotics
13%
Numerical Experiment
13%
Time Discretization
13%
Convergence Rate
13%
Constant Coefficient
12%
Permutation Matrix
12%
Outlier
12%
Toeplitz Matrix
11%
Weakly Singular Kernel
10%
Smooth Function
10%
Neural Network
10%
Differential Equation
10%
Deep Neural Network
10%
Variable Coefficient
10%
Optimal Control Theory
10%
Distribution Theory
10%
Laplace Operator
10%
Diagonal
10%
Parabolic
10%
Rate of Convergence
9%
Disjoint Interval
8%
Wide Range
8%
Schur Complement
7%
Normal Equation
6%
Numerical Linear Algebra
6%
Iterative Method
5%
Numerical Solution
5%
Coefficient Matrix
5%
Main Result
5%
Execution Time
5%
Singular Value
5%
Convergence Behavior
5%