Stefano Serra Capizzano | DeepAI

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Minghua Chen
35 publications
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Matthias Bolten
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Giovanni Barbarino
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∙ 09/07/2023

From asymptotic distribution and vague convergence to uniform convergence, with numerical applications

Let {Λ_n={λ_1,n,…,λ_d_n,n}}_n be a sequence of finite multisets of real ...

0 Giovanni Barbarino, et al. ∙

∙ 08/23/2023

Modeling excitable cells with the EMI equations: spectral analysis and iterative solution strategy

In this work, we are interested in solving large linear systems stemming...

0 Pietro Benedusi, et al. ∙

∙ 07/24/2023

A preconditioned MINRES method for optimal control of wave equations and its asymptotic spectral distribution theory

In this work, we propose a novel preconditioned Krylov subspace method f...

0 Sean Hon, et al. ∙

∙ 02/09/2023

Fine spectral analysis of preconditioned matrices and matrix-sequences arising from stage-parallel implicit Runge-Kutta methods of arbitrarily high order

The use of high order fully implicit Runge-Kutta methods is of significa...

0 Ivo Dravins, et al. ∙

∙ 03/14/2022

A note on the eigenvalues, singular values, and eigenvectors of Toeplitz and Hankel matrices

In a series of recent papers the spectral behavior of the matrix sequenc...

0 Sven-Erik Ekström, et al. ∙

∙ 02/23/2022

Fast algebraic multigrid for block-structured dense and Toeplitz-like-plus-Cross systems arising from nonlocal diffusion problems

Algebraic multigrid (AMG) is one of the most efficient iterative methods...

0 Minghua Chen, et al. ∙

∙ 02/11/2022

A note on the spectral analysis of matrix sequences via GLT momentary symbols: from all-at-once solution of parabolic problems to distributed fractional order matrices

The first focus of this paper is the characterization of the spectrum an...

0 Matthias Bolten, et al. ∙

∙ 02/01/2022

Rectangular GLT Sequences

The theory of generalized locally Toeplitz (GLT) sequences is a powerful...

0 Giovanni Barbarino, et al. ∙

∙ 01/25/2022

A sine transform based preconditioned MINRES method for all-at-once systems from evolutionary partial differential equations

In this work, we propose a simple yet generic preconditioned Krylov subs...

0 Sean Hon, et al. ∙

∙ 11/27/2021

Asymptotic spectra of large (grid) graphs with a uniform local structure (part II): numerical applications

In the current work we are concerned with sequences of graphs having a g...

0 Andrea Adriani, et al. ∙

∙ 11/23/2021

One or two frequencies? The Iterative Filtering answers

The Iterative Filtering method is a technique aimed at the decomposition...

0 Antonio Cicone, et al. ∙

∙ 08/20/2021

Spectral and norm estimates for matrix sequences arising from a finite difference approximation of elliptic operators

When approximating elliptic problems by using specialized approximation ...

0 Armando Coco, et al. ∙

∙ 03/22/2021

A matrix-theoretic spectral analysis of incompressible Navier-Stokes staggered DG approximation and related solvers

The incompressible Navier-Stokes equations are solved in a channel, usin...

0 Mariarosa Mazza, et al. ∙

∙ 11/21/2020

Multilevel symmetrized Toeplitz structures and spectral distribution results for the related matrix-sequences

In recent years, motivated by computational purposes, the singular value...

0 Paola Ferrari, et al. ∙

∙ 02/02/2020

Asymptotic spectra of large (grid) graphs with a uniform local structure

We are concerned with sequences of graphs having a grid geometry, with a...

0 Andrea Adriani, et al. ∙

∙ 10/30/2019

Multigrid methods for block-Toeplitz linear systems: convergence analysis and applications

In the past decades, multigrid methods for linear systems having multile...

0 Marco Donatelli, et al. ∙

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