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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...
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12/12/2022
Symmetrization Techniques in Image Deblurring
This paper presents a couple of preconditioning techniques that can be u...
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03/11/2022
Symbol based convergence analysis in multigrid methods for saddle point problems
Saddle point problems arise in a variety of applications, e.g., when sol...
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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...
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07/16/2021
Symbol Based Convergence Analysis in Block Multigrid Methods with applications for Stokes problems
The main focus of this paper is the study of efficient multigrid methods...
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01/16/2021
A symbol based analysis for multigrid methods for Block-Circulant and Block-Toeplitz Systems
In the literature, there exist several studies on symbol-based multigrid...
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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...
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10/30/2019