Sven-Erik Ekström

25 papers Journal 24

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	From asymptotic distribution and vague convergence to uniform convergence, with numerical applications. J. Num. Math. Giovanni Barbarino, Sven-Erik Ekström, Carlo Garoni, David Meadon, Stefano Serra-Capizzano, Paris Vassalos
2025	J	`jnl`	Spectral properties of flipped Toeplitz matrices and computational applications. Appl. Math. Comput. Giovanni Barbarino, Sven-Erik Ekström, Carlo Garoni, David Meadon, Stefano Serra-Capizzano, Paris Vassalos
2024	J	`jnl`	Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study. Numer. Linear Algebra Appl. Manuel Bogoya, Sven-Erik Ekström, Stefano Serra-Capizzano, Paris Vassalos
2023	J	`jnl`	From asymptotic distribution and vague convergence to uniform convergence, with numerical applications. CoRR Giovanni Barbarino, Sven-Erik Ekström, Carlo Garoni, David Meadon, Stefano Serra-Capizzano, Paris Vassalos
2023	J	`jnl`	On the eigenvalues of Toeplitz matrices with two off-diagonals. CoRR Sven-Erik Ekström, David Meadon
2023	J	`jnl`	Spectral properties of flipped Toeplitz matrices. CoRR Giovanni Barbarino, Sven-Erik Ekström, Carlo Garoni, David Meadon, Stefano Serra-Capizzano, Paris Vassalos
2022	J	`jnl`	A matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues. Numer. Algorithms Sven-Erik Ekström, Paris Vassalos
2022	J	`jnl`	A note on the eigenvalues, singular values, and eigenvectors of Toeplitz and Hankel matrices. CoRR Sven-Erik Ekström, Stefano Serra-Capizzano, Paris Vassalos
2022	J	`jnl`	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. CoRR Matthias Bolten, Sven-Erik Ekström, Isabella Furci, Stefano Serra-Capizzano
2022	J	`jnl`	Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory. CoRR Manuel Bogoya, Sven-Erik Ekström, Stefano Serra-Capizzano
2022	J	`jnl`	Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory. Numer. Algorithms Manuel Bogoya, Sven-Erik Ekström, Stefano Serra-Capizzano
2022	J	`jnl`	Preconditioners for fractional diffusion equations based on the spectral symbol. Numer. Linear Algebra Appl. Nikos Barakitis, Sven-Erik Ekström, Paris Vassalos
2021	J	`jnl`	Spectral and norm estimates for matrix sequences arising from a finite difference approximation of elliptic operators. CoRR Armando Coco, Sven-Erik Ekström, Giovanni Russo, Stefano Serra-Capizzano, Santina Chiara Stissi
2020	J	`jnl`	A Multigrid Method for Nonlocal Problems: Non-Diagonally Dominant or Toeplitz-Plus-Tridiagonal Systems. SIAM J. Matrix Anal. Appl. Minghua Chen, Sven-Erik Ekström, Stefano Serra-Capizzano
2020	J	`jnl`	Eigenpairs of some particular band Toeplitz matrices: A comment. Numer. Linear Algebra Appl. Sven-Erik Ekström, Stefano Serra-Capizzano
2020	J	`jnl`	Eigenvalues and Eigenvectors of Tau Matrices with Applications to Markov Processes and Economics. CoRR Sven-Erik Ekström, Carlo Garoni, Adam Jozefiak, Jesse Perla
2020	J	`jnl`	Momentary Symbol: Spectral Analysis of Structured Matrices. CoRR Matthias Bolten, Sven-Erik Ekström, Isabella Furci
2019	J	`jnl`	A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Complex Eigenvalues. CoRR Sven-Erik Ekström, Paris Vassalos
2019	J	`jnl`	A matrix-less and parallel interpolation-extrapolation algorithm for computing the eigenvalues of preconditioned banded symmetric Toeplitz matrices. Numer. Algorithms Sven-Erik Ekström, Carlo Garoni
2019	J	`jnl`	Preconditioners for Fractional Diffusion Equations Based on the Spectral Symbol. CoRR Nikos Barakitis, Sven-Erik Ekström, Paris Vassalos
2018	J	`jnl`	Are the Eigenvalues of Banded Symmetric Toeplitz Matrices Known in Almost Closed Form? Exp. Math. Sven-Erik Ekström, Carlo Garoni, Stefano Serra-Capizzano
2018	J	`jnl`	Are the eigenvalues of preconditioned banded symmetric Toeplitz matrices known in almost closed form? Numer. Algorithms Fayyaz Ahmad, Eman Salem Alaidarous, Dina Abdullah Alrehaili, Sven-Erik Ekström, Isabella Furci, Stefano Serra-Capizzano
2018	J	`jnl`	Are the eigenvalues of the B-spline isogeometric analysis approximation of -Δu = λu known in almost closed form? Numer. Linear Algebra Appl. Sven-Erik Ekström, Isabella Furci, Carlo Garoni, Carla Manni, Stefano Serra-Capizzano, Hendrik Speleers
2018	J	`jnl`	Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols. Numer. Linear Algebra Appl. Sven-Erik Ekström, Stefano Serra-Capizzano
2018	—	`—`	Matrix-Less Methods for Computing Eigenvalues of Large Structured Matrices. Sven-Erik Ekström