3 papers
math.NA2026
Spectral analysis of the stiffness matrix sequence in the approximated Stokes equation
Samuele Ferri, Chiara Giraudo, Valerio Loi +2
In the present paper, we analyze in detail the spectral features of the matrix sequences arising from the Taylor-Hood - approximation of variable viscos…
math.NA2026
Dissolution of carbonate stones caused by CO2 pollutant: an erosion model
Elishan Christian Braun, Gabriella Bretti, Samuele Ferri +2
In this paper we introduce a new mathematical model describing the erosion process caused in carbonate stones by the dissolution of the porous matrix due to the penetration of carb…
math.NA2025
Blocking structures, approximation, and preconditioning
Nikos Barakitis, Marco Donatelli, Samuele Ferri +3
We consider block-structured matrices , where the blocks are of (block) unilevel Toeplitz type with matrix-valued generating functions. Under mild assumptions on t…