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math.NA2021
Symbol based Convergence Analysis in Block Multigrid Methods with Applications for Stokes Problems
Marco Donatelli, Matthias Bolten, Paola Ferrari +1
The main focus of this paper is the study of efficient multigrid methods for large linear systems with a particular saddle-point structure. Indeed, when the system matrix is symmet…
math.NA2021
A symbol based analysis for multigrid methods for Block-Circulant and Block-Toeplitz Systems
Matthias Bolten, Marco Donatelli, Paola Ferrari +1
In the literature, there exist several studies on symbol-based multigrid methods for the solution of linear systems having structured coefficient matrices. In particular, the conve…