Cover Image

A note on the convergence of multigrid methods for the Riesz-space equation and an application to image deblurring

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Ahmad, Danyal, Donatelli, Marco, Mazza, Mariarosa, Serra-Capizzano, Stefano, Trotti, Ken
Format:	Preprint
Published:	2024
Subjects:	Numerical Analysis
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

Flipped structured matrix-sequences in image deblurring with general boundary conditions
by: Ferrari, Paola, et al.
Published: (2024)

Spectral analysis and sine transform based preconditioning for a structure preserving stabilized scheme approximating the space-fractional Allen Cahn equation with logarithmic potential
by: Ahmad, Danyal, et al.
Published: (2026)

Stage-Parallel Implicit Runge--Kutta methods via low-rank matrix equation corrections
by: Durastante, Fabio, et al.
Published: (2025)

Analysis on aggregation and block smoothers in multigrid methods for block Toeplitz linear systems
by: Bolten, Matthias, et al.
Published: (2024)

Domain decomposition methods and preconditioning strategies using generalized locally Toepltiz tools: proposals, analysis, and numerical validation
by: Rifqui, Abdessadek, et al.
Published: (2026)

Determining the space dependent coefficients in space-time fractional diffusion equations via Krylov preconditioning
by: Ilyas, Asim, et al.
Published: (2025)

Vertex-based auxiliary space multigrid method and its application to linear elasticity equations
by: Li, Jiayin, et al.
Published: (2025)

On the conditioning of polynomial histopolation
by: Bruno, Ludovico Bruni, et al.
Published: (2025)

Structure-preserving preconditioning of discrete space-fractional diffusion equations with variable coefficient and θ-Method
by: Khan, Muhammad Faisal, et al.
Published: (2026)

Spectral distribution of Jacobi weighted histopolation matrices via GLT theory
by: Guessab, Allal, et al.
Published: (2026)

Dual-grid parameter choice method with application to image deblurring
by: Juvonen, Markus, et al.
Published: (2025)

Improved parameter selection strategy for the iterated Arnoldi-Tikhonov method
by: Donatelli, Marco, et al.
Published: (2024)

On $τ$-preconditioners for a quasi-compact difference scheme to Riesz fractional diffusion equations with variable coefficients
by: She, Zi-Hang, et al.
Published: (2024)

A note on eigenvalues and singular values of variable Toeplitz matrices and matrix-sequences, with application to variable two-step BDF approximations to parabolic equations
by: Barakitis, Nikos, et al.
Published: (2024)

Homogeneous multigrid for hybrid discretizations: application to HHO methods
by: Di Pietro, Daniele A., et al.
Published: (2024)

Matrix-free implementation of the non-nested multigrid method
by: Feder, Marco, et al.
Published: (2024)

Blocking structures, approximation, and preconditioning
by: Barakitis, Nikos, et al.
Published: (2025)

Fractional differential problems with numerical anti-reflective boundary conditions: a computational/precision analysis and numerical results
by: Sousa, Ercília, et al.
Published: (2023)

Low-Rank Solvers for Energy-Conserving Hamiltonian Boundary Value Methods
by: Durastante, Fabio, et al.
Published: (2025)

The iterated Golub-Kahan-Tikhonov method
by: Bianchi, Davide, et al.
Published: (2025)

A structure preserving H-curl algebraic multigrid method for the eddy current equations
by: Tuminaro, Raymond, et al.
Published: (2025)

Block triangular preconditioning for inverse source problems in time-space fractional diffusion equations
by: Majumdar, Monoswini, et al.
Published: (2025)

Can the a.c.s. notion and the GLT theory handle approximated PDEs/FDEs with either moving or unbounded domains?
by: Adriani, Andrea, et al.
Published: (2024)

Smoothers with localized residual computations for geometric multigrid methods
by: Wichrowski, Michał, et al.
Published: (2024)

Overlapping Schwarz methods are not anisotropy-robust multigrid smoothers
by: Krzysik, Oliver A., et al.
Published: (2025)

A fourth-order, multigrid cut-cell method for solving Poisson's equation in three-dimensional irregular domains
by: Qian, Yixiao, et al.
Published: (2024)

Outlier-free isogeometric discretizations for Laplace eigenvalue problems: closed-form eigenvalue and eigenvector expressions
by: Lamsahel, Noureddine, et al.
Published: (2025)

Spectral theory of matrix-sequences: perspectives of the GLT analysis and beyond
by: Serra-Capizzano, Stefano
Published: (2025)

Achieving $h$- and $p$-robust monolithic multigrid solvers for the Stokes equations
by: Rafiei, Amin, et al.
Published: (2024)

Solving advection equations with reduction multigrids on GPUs
by: Dargaville, S., et al.
Published: (2025)

An agglomeration-based multigrid solver for the discontinuous Galerkin discretization of cardiac electrophysiology
by: Feder, Marco, et al.
Published: (2026)

Kernel-learning parameter prediction and evaluation in algebraic multigrid method for several PDEs
by: Luo, Junyue, et al.
Published: (2025)

Fast and accurate multigrid solution of Poissons equation using diagonally oriented grids
by: Roberts, A. J.
Published: (1999)

Block Jacobi/Gauss-Seidel preconditioning for GLT sequences, and GLH sequences
by: Garoni, Carlo, et al.
Published: (2026)

Spectral analysis of the stiffness matrix sequence in the approximated Stokes equation
by: Ferri, Samuele, et al.
Published: (2025)

Data-Parallel Neural Network Training via Nonlinearly Preconditioned Trust-Region Method
by: Alegría, Samuel A. Cruz, et al.
Published: (2025)

Accelerating multigrid solver with generative super-resolution
by: Holguin, Francisco, et al.
Published: (2024)

Convergent analysis of algebraic multigrid method with data-driven parameter learning for non-selfadjoint elliptic problems
by: Zhang, Juan, et al.
Published: (2024)

On convergence of residual-based extended randomized Kaczmarz methods for matrix equations
by: Bao, Wendi, et al.
Published: (2026)

An optimal preconditioner for high-order scheme arising from multi-dimensional Riesz space fractional diffusion equations with variable coefficients
by: Huang, Yuan-Yuan, et al.
Published: (2025)