Barbarino, Giovanni; Claesson, Melker; Ekström, Sven-Erik; Garoni, Carlo; Meadon, David; Speleers, Hendrik Matrix-less spectral approximation for large structured matrices. (English) Zbl 07964458 BIT 65, No. 1, Paper No. 2, 35 p. (2025). MSC: 65F15 15A18 × Cite Format Result Cite Review PDF Full Text: DOI
Bogoya, M.; Grudsky, S. M.; Serra-Capizzano, S. Eigenvalue superposition for Toeplitz matrix-sequences with matrix order dependent symbols. (English) Zbl 1543.15023 Linear Algebra Appl. 697, 487-527 (2024). MSC: 15B05 65F15 47B35 15A18 47B38 × Cite Format Result Cite Review PDF Full Text: DOI
Bogoya, Manuel; Gasca, Juanita; Grudsky, Sergei Eigenvalue asymptotic expansion for non-Hermitian tetradiagonal Toeplitz matrices with real spectrum. (English) Zbl 1541.15006 J. Math. Anal. Appl. 531, No. 1, Part 2, Article ID 127816, 27 p. (2024). Reviewer: Julio Benítez Lopez (València) MSC: 15A18 15A15 15B05 × Cite Format Result Cite Review PDF Full Text: DOI
Bogoya, M.; Serra-Capizzano, S.; Vassalos, P. Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory: the preconditioned setting. (English) Zbl 1545.65152 Appl. Math. Comput. 466, Article ID 128483, 18 p. (2024). MSC: 65F15 15A18 15B05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Adriani, Andrea; Bianchi, Davide; Ferrari, Paola; Serra-Capizzano, Stefano Asymptotic spectra of large (grid) graphs with a uniform local structure. II: Numerical applications. (English) Zbl 1522.05174 J. Comput. Appl. Math. 437, Article ID 115461, 20 p. (2024). MSC: 05C22 05C50 15A18 65J10 65M55 65N22 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Bogoya, Manuel; Grudsky, Sergei M. Asymptotics for the eigenvalues of Toeplitz matrices with a symbol having a power singularity. (English) Zbl 07790621 Numer. Linear Algebra Appl. 30, No. 5, e2496, 15 p. (2023). MSC: 65F15 15A18 15B05 × Cite Format Result Cite Review PDF Full Text: DOI
Montardini, M.; Sangalli, G.; Tani, M. A low-rank isogeometric solver based on Tucker tensors. (English) Zbl 1536.65150 Comput. Methods Appl. Mech. Eng. 417, Part B, Article ID 116472, 25 p. (2023). MSC: 65N30 65D07 65F55 15A69 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Bogoya, Manuel; Ekström, Sven-Erik; Serra-Capizzano, Stefano Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory. (English) Zbl 1503.15040 Numer. Algorithms 91, No. 4, 1653-1676 (2022). Reviewer: Anton Iliev (Plovdiv) MSC: 15B05 65F15 65D05 47B35 15A18 41A60 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Ekström, Sven-Erik; Vassalos, Paris A matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues. (English) Zbl 1480.65102 Numer. Algorithms 89, No. 2, 701-720 (2022). MSC: 65F60 15B05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Bianchi, Davide Analysis of the spectral symbol associated to discretization schemes of linear self-adjoint differential operators. (English) Zbl 07380433 Calcolo 58, No. 3, Paper No. 38, 47 p. (2021). MSC: 47B35 35P05 65N99 65D25 65F99 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Ekström, Sven-Erik; Garoni, Carlo; Jozefiak, Adam; Perla, Jesse Eigenvalues and eigenvectors of tau matrices with applications to Markov processes and economics. (English) Zbl 1471.15004 Linear Algebra Appl. 627, 41-71 (2021). Reviewer: George Stoica (Saint John) MSC: 15A18 15A30 15B05 60K25 60G50 60J60 91G10 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Aceto, Lidia; Mazza, Mariarosa; Serra-Capizzano, Stefano Fractional Laplace operator in two dimensions, approximating matrices, and related spectral analysis. (English) Zbl 07245604 Calcolo 57, No. 3, Paper No. 27, 25 p. (2020). MSC: 47A58 34A08 15B05 65F60 65F15 65F35 × Cite Format Result Cite Review PDF Full Text: DOI
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