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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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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...
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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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10/13/2020
Momentary Symbol: Spectral Analysis of Structured Matrices
A powerful tool for analyzing and approximating the singular values and ...
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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...
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03/05/2019