Fabio Durastante | DeepAI

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Featured Co-authors

Francesco Tudisco
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Davide Bianchi
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Marco Donatelli
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Isabella Furci
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Lidia Aceto
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Stefano Cipolla
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Mariarosa Mazza
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Francesca Arrigo
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Salvatore Filippone
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∙ 07/26/2023

Stochastic pth root approximation of a stochastic matrix: A Riemannian optimization approach

We propose two approaches, based on Riemannian optimization, for computi...

0 Fabio Durastante, et al. ∙

∙ 04/19/2023

Efficient computation of the sinc matrix function for the integration of second-order differential equations

This work deals with the numerical solution of systems of oscillatory se...

0 Lidia Aceto, et al. ∙

∙ 11/11/2022

Theoretical error estimates for computing the matrix logarithm by Padé-type approximants

In this article, we focus on the error that is committed when computing ...

0 Lidia Aceto, et al. ∙

∙ 10/29/2022

Alya towards Exascale: Algorithmic Scalability using PSCToolkit

In this paper, we describe some work aimed at upgrading the Alya code wi...

0 Herbert Owen, et al. ∙

∙ 02/01/2022

Efficient computation of the Wright function and its applications to fractional diffusion-wave equations

In this article, we deal with the efficient computation of the Wright fu...

0 Lidia Aceto, et al. ∙

∙ 12/09/2021

Preconditioning Richards Equations: spectral analysis and parallel solution at very large scale

We consider here a cell-centered finite difference approximation of the ...

0 Daniele Bertaccini, et al. ∙

∙ 10/11/2021

Nonlocal diffusion of variable order on graphs

Some aspects of nonlocal dynamics on directed and undirected networks fo...

0 Daniele Bertaccini, et al. ∙

∙ 03/23/2021

Mittag-Leffler functions and their applications in network science

We describe a complete theory for walk-based centrality indices in compl...

0 Francesca Arrigo, et al. ∙

∙ 01/02/2021

Compatibility, embedding and regularization of non-local random walks on graphs

Several variants of the graph Laplacian have been introduced to model no...

0 Davide Bianchi, et al. ∙

∙ 06/29/2020

AMG preconditioners for Linear Solvers towards Extreme Scale

Linear solvers for large and sparse systems are a key element of scienti...

0 Pasqua D'Ambra, et al. ∙

∙ 01/28/2020

Nonlocal PageRank

In this work we introduce and study a nonlocal version of the PageRank. ...

0 Stefano Cipolla, et al. ∙

∙ 01/27/2020

On the quality of matching-based aggregates for algebraic coarsening of SPD matrices in AMG

In this paper, we discuss a quality measure for an aggregation-based coa...

0 Pasqua D'Ambra, et al. ∙

∙ 03/05/2019

Spectral Analysis of Saddle-point Matrices from Optimization problems with Elliptic PDE Constraints

The main focus of this paper is the characterization and exploitation of...

0 Fabio Durastante, et al. ∙

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