Keyphrases
Preconditioned Matrix
58%
Minimal Residual Method
49%
Linear Systems
47%
Eigenvalues
46%
Block-circulant Preconditioners
37%
All-at-once System
35%
Wave Equation
31%
Toeplitz
31%
Generalized Minimal Residual (GMRES)
29%
Numerical Examples
27%
Toeplitz System
27%
Modified Matrix
26%
Evolutionary PDEs
24%
MINRES Method
24%
Matrix Sequence
24%
Non-axisymmetric
23%
Preconditioning Technique
22%
Parallel-in-time
22%
Evolutionary Partial Differential Equations
22%
Discretize
22%
Block Toeplitz
21%
Block Toeplitz Systems
18%
Symmetric Positive Definite
16%
All-at-once
16%
Preconditioned System
15%
Rapid Convergence
15%
Ill-conditioned Problem
14%
Absolute Value
14%
Symmetrization
14%
Preconditioning Strategy
14%
Discrete Sine Transform
14%
Circulant Preconditioner
14%
Minimal Residual
13%
Block-circulant
12%
Optimal Block Size
12%
Evolutionary Equations
12%
Neural Network Approximation
12%
Evolutionary Differential Equations
12%
Spectral Distribution Theory
12%
Asymptotic Spectral Analysis
12%
Linear Wave Equation
12%
Spectral Symbol
12%
Smooth Function
12%
Sine Transform
12%
Deep Neural Network
12%
Hermitian
12%
Weakly Singular Kernel
12%
Optimal Control
12%
Spectral Distribution
12%
Symmetrized
12%
Multilevel Toeplitz
12%
Space-fractional Diffusion Equation
12%
Time Discretization
12%
Laplacian Systems
12%
Shifted Laplacian
12%
Large Classes
11%
Convergence Rate
10%
Non-Hermitian
10%
Preconditioned Krylov Subspace Methods
10%
Fractional Diffusion Equation
10%
Convergence Guarantee
9%
Partial Differential Equations
9%
Numerical Solution
8%
Approximation Results
8%
Non-asymptotic
8%
Coefficient Matrix
8%
Rate of Approximation
8%
Optimal Control Problem
8%
Commuting
8%
Block Toeplitz Matrix
8%
Mesh Independent
8%
Mesh Size
8%
Permutation Matrix
7%
Minimal Polynomial
6%
Fast Sine Transform
6%
Transform Matrix
6%
Backward Difference
6%
Fast Fourier Transform
6%
Hermitian Positive Definite
6%
Matrix-vector multiplication
6%
Block Tridiagonal
6%
Conjugate Gradient Method
6%
High-order
6%
Fast Convergence
6%
Krylov Subspace Methods
6%
Normal Equations
6%
Time Discretization Scheme
6%
Preconditioned Conjugate Gradient Method
6%
McDonald's
6%
Diagonalization
6%
Time Execution
6%
Eigenvalue Clustering
6%
Optimal Convergence Rate
6%
Numerical Experiments
6%
Matrix Size
6%
Mathematics
Matrix (Mathematics)
100%
Minimal Residual Method
78%
Linear System
54%
Eigenvalue
53%
Partial Differential Equation
50%
Wave Equation
37%
Residuals
37%
Absolute Value
27%
Numerical Example
24%
Convergence Rate
21%
Fractional Diffusion Equation
20%
Sine Transform
18%
Positive Definite
17%
Spectral Distribution
16%
Discretization
15%
Asymptotics
15%
Numerical Experiment
15%
Time Discretization
15%
Constant Coefficient
14%
Weakly Singular Kernel
12%
Smooth Function
12%
Neural Network
12%
Differential Equation
12%
Deep Neural Network
12%
Variable Coefficient
12%
Optimal Control Theory
12%
Distribution Theory
12%
Fast Fourier Transform
12%
Parabolic Equation
12%
Laplace Operator
12%
Discrete Sine Transform
10%
Permutation Matrix
8%
Outlier
8%
Normal Equation
7%
Toeplitz Matrix
7%
Iterative Method
6%
Numerical Solution
6%
Coefficient Matrix
6%
Optimal Control Problem
6%
Main Result
6%
Execution Time
6%
Singular Value
6%
Convergence Behavior
6%
Matrix-Vector Multiplication
5%
Wide Range
5%
Linear Convergence
5%