Bolten, Matthias; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano 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. (English) Zbl 1516.15005 ETNA, Electron. Trans. Numer. Anal. 58, 136-163 (2023). MSC: 15A18 15B05 34L20 65N22 35R11 × Cite Format Result Cite Review PDF Full Text: DOI arXiv Link
Bolten, Matthias; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano Toeplitz momentary symbols: definition, results, and limitations in the spectral analysis of structured matrices. (English) Zbl 1493.15035 Linear Algebra Appl. 651, 51-82 (2022). MSC: 15A18 15B05 65F15 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Durastante, Fabio; Furci, Isabella Spectral analysis of saddle-point matrices from optimization problems with elliptic PDE constraints. (English) Zbl 1466.62395 Electron. J. Linear Algebra 36, 773-798 (2020). MSC: 62M15 65F08 15B05 × Cite Format Result Cite Review PDF Full Text: arXiv Link
Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano Exact formulae and matrix-less eigensolvers for block banded symmetric Toeplitz matrices. (English) Zbl 1405.65051 BIT 58, No. 4, 937-968 (2018). Reviewer: Giovanni Barbarino (Pisa) MSC: 65F15 15B05 65B05 × Cite Format Result Cite Review PDF Full Text: DOI
Ekström, Sven-Erik; Furci, Isabella; Garoni, Carlo; Manni, Carla; Serra-Capizzano, Stefano; Speleers, Hendrik Are the eigenvalues of the B-spline isogeometric analysis approximation of \(-\Delta u=\lambda u\) known in almost closed form? (English) Zbl 1513.65454 Numer. Linear Algebra Appl. 25, No. 5, e2198, 34 p. (2018). MSC: 65N25 65N30 65D07 65F15 65D05 65B05 15B05 35C20 65Y05 × Cite Format Result Cite Review PDF Full Text: DOI