Are the Eigenvalues of Banded Symmetric Toeplitz Matrices Known in Almost Closed Form? - Sven-Erik Ekström; Carlo Garoni; Stefano Serra-Capizzano (Exp. Math., 2018)

Are the eigenvalues of preconditioned banded symmetric Toeplitz matrices known in almost closed form? - Fayyaz Ahmad; Eman Salem Alaidarous; Dina Abdullah Alrehaili; Sven-Erik Ekström; Isabella Furci; Stefano Serra-Capizzano (Numer. Algorithms, 2018)

Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols. - Sven-Erik Ekström; Stefano Serra-Capizzano (Numer. Linear Algebra Appl., 2018)

Are the eigenvalues of the B-spline isogeometric analysis approximation of -Δu = λu known in almost closed form? - Sven-Erik Ekström; Isabella Furci; Carlo Garoni; Carla Manni; Stefano Serra-Capizzano; Hendrik Speleers (Numer. Linear Algebra Appl., 2018)

Matrix-Less Methods for Computing Eigenvalues of Large Structured Matrices. - Sven-Erik Ekström (2018)

A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Complex Eigenvalues. - Sven-Erik Ekström; Paris Vassalos (CoRR, 2019)

A matrix-less and parallel interpolation-extrapolation algorithm for computing the eigenvalues of preconditioned banded symmetric Toeplitz matrices. - Sven-Erik Ekström; Carlo Garoni (Numer. Algorithms, 2019)

Eigenvalues and Eigenvectors of Tau Matrices with Applications to Markov Processes and Economics. - Sven-Erik Ekström; Carlo Garoni; Adam Jozefiak; Jesse Perla (CoRR, 2020)

Momentary Symbol: Spectral Analysis of Structured Matrices. - Matthias Bolten; Sven-Erik Ekström; Isabella Furci (CoRR, 2020)

Eigenpairs of some particular band Toeplitz matrices: A comment. - Sven-Erik Ekström; Stefano Serra-Capizzano (Numer. Linear Algebra Appl., 2020)

A Multigrid Method for Nonlocal Problems: Non-Diagonally Dominant or Toeplitz-Plus-Tridiagonal Systems. - Minghua Chen 002; Sven-Erik Ekström; Stefano Serra-Capizzano (SIAM J. Matrix Anal. Appl., 2020)

Spectral and norm estimates for matrix sequences arising from a finite difference approximation of elliptic operators. - Armando Coco; Sven-Erik Ekström; Giovanni Russo 001; Stefano Serra-Capizzano; Santina Chiara Stissi (CoRR, 2021)

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. - Matthias Bolten; Sven-Erik Ekström; Isabella Furci; Stefano Serra-Capizzano (CoRR, 2022)

A note on the eigenvalues, singular values, and eigenvectors of Toeplitz and Hankel matrices. - Sven-Erik Ekström; Stefano Serra-Capizzano; Paris Vassalos (CoRR, 2022)

Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory. - Manuel Bogoya; Sven-Erik Ekström; Stefano Serra-Capizzano (Numer. Algorithms, 2022)

A matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues. - Sven-Erik Ekström; Paris Vassalos (Numer. Algorithms, 2022)

Preconditioners for fractional diffusion equations based on the spectral symbol. - Nikos Barakitis; Sven-Erik Ekström; Paris Vassalos (Numer. Linear Algebra Appl., 2022)

On the eigenvalues of Toeplitz matrices with two off-diagonals. - Sven-Erik Ekström; David Meadon (CoRR, 2023)

From asymptotic distribution and vague convergence to uniform convergence, with numerical applications. - Giovanni Barbarino; Sven-Erik Ekström; Carlo Garoni; David Meadon; Stefano Serra-Capizzano; Paris Vassalos (CoRR, 2023)

Spectral properties of flipped Toeplitz matrices. - Giovanni Barbarino; Sven-Erik Ekström; Carlo Garoni; David Meadon; Stefano Serra-Capizzano; Paris Vassalos (CoRR, 2023)

Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study. - Manuel Bogoya; Sven-Erik Ekström; Stefano Serra-Capizzano; Paris Vassalos (Numer. Linear Algebra Appl., 2024)

Spectral properties of flipped Toeplitz matrices and computational applications. - Giovanni Barbarino; Sven-Erik Ekström; Carlo Garoni; David Meadon; Stefano Serra-Capizzano; Paris Vassalos (Appl. Math. Comput., 2025)