Keyphrases
Preconditioned Matrix
77%
Eigenvalues
64%
Minimal Residual Method
63%
Block-circulant Preconditioners
57%
All-at-once System
53%
Linear Systems
53%
Wave Equation
47%
Toeplitz
47%
Modified Matrix
41%
Evolutionary PDEs
38%
MINRES Method
38%
Matrix Sequence
38%
Numerical Examples
36%
Block Toeplitz
33%
Generalized Minimal Residual (GMRES)
32%
Parallel-in-time
28%
Block Toeplitz Systems
28%
Discretize
27%
Rapid Convergence
23%
Non-axisymmetric
22%
Toeplitz System
22%
Ill-conditioned Problem
22%
Absolute Value
22%
Preconditioning Technique
22%
Circulant Preconditioner
21%
Minimal Residual
20%
Block-circulant
19%
Optimal Block Size
19%
Evolutionary Equations
19%
Neural Network Approximation
19%
Evolutionary Differential Equations
19%
Spectral Distribution Theory
19%
Asymptotic Spectral Analysis
19%
All-at-once
19%
Linear Wave Equation
19%
Spectral Symbol
19%
Symmetric Positive Definite
19%
Smooth Function
19%
Sine Transform
19%
Deep Neural Network
19%
Hermitian
19%
Weakly Singular Kernel
19%
Optimal Control
19%
Large Classes
18%
Non-Hermitian
15%
Symmetrization
15%
Preconditioning Strategy
15%
Discrete Sine Transform
15%
Preconditioned Krylov Subspace Methods
15%
Evolutionary Partial Differential Equations
15%
Convergence Guarantee
14%
Partial Differential Equations
13%
Numerical Solution
13%
Spectral Distribution
12%
Approximation Results
12%
Non-asymptotic
12%
Coefficient Matrix
12%
Rate of Approximation
12%
Optimal Control Problem
12%
Commuting
12%
Block Toeplitz Matrix
12%
Permutation Matrix
11%
Convergence Rate
10%
Minimal Polynomial
9%
Fast Sine Transform
9%
Transform Matrix
9%
Backward Difference
9%
Fast Fourier Transform
9%
Hermitian Positive Definite
9%
Matrix-vector multiplication
9%
Block Tridiagonal
9%
Fractional Diffusion Equation
9%
Conjugate Gradient Method
9%
High-order
9%
Fast Convergence
9%
Krylov Subspace Methods
9%
Normal Equations
9%
Time Discretization Scheme
9%
Preconditioned Conjugate Gradient Method
9%
McDonald's
9%
Iterative Methods
7%
Diagonalizability
6%
Block Circulant Matrix
6%
ReLU Function
6%
Spatial Matrix
6%
Diagonalizable Matrix
6%
Activation Function
6%
Mesh Independent
6%
Diagonalizable
6%
Wave Control
6%
Saddle Point Systems
6%
Derived Localization
6%
Numerical Solver
6%
Simple Permutation
6%
Control Problem
6%
Eigenvalue Distribution
6%
Left-handed
6%
Linear Coefficient
6%
Error Bound
6%
Hermitian Matrix
6%
Deep ReLU Networks
6%
Number of Iterations
6%
Right-sided
6%
Numerical Test
6%
Numerical Results
6%
Superlinear Convergence
6%
Computation Time
6%
Sobolev Norm
6%
Mesh Size
6%
Size-independent
6%
Mathematics
Matrix (Mathematics)
100%
Minimal Residual Method
68%
Eigenvalue
61%
Partial Differential Equation
58%
Wave Equation
57%
Linear System
47%
Residuals
47%
Numerical Example
26%
Absolute Value
23%
Sine Transform
23%
Asymptotics
23%
Positive Definite
20%
Convergence Rate
19%
Weakly Singular Kernel
19%
Smooth Function
19%
Neural Network
19%
Differential Equation
19%
Deep Neural Network
19%
Spectral Distribution
19%
Variable Coefficient
19%
Constant Coefficient
19%
Optimal Control Theory
19%
Distribution Theory
19%
Fractional Diffusion Equation
12%
Permutation Matrix
12%
Normal Equation
11%
Toeplitz Matrix
11%
Iterative Method
9%
Discrete Sine Transform
9%
Fast Fourier Transform
9%
Numerical Solution
9%
Coefficient Matrix
9%
Optimal Control Problem
9%
Main Result
9%
Matrix-Vector Multiplication
8%
Equation System
6%
Approximates
6%
Hermitian Matrix
6%
Circulant Matrix
6%
Error Bound
6%
Outlier
6%