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Ekström, Sven-Erik

Author ID: ekstrom.sven-erik Recent zbMATH articles by "Ekström, Sven-Erik"
Published as: Ekström, Sven-Erik; Ekstrom, Sven-Erik; Ekström, S.-E.

Publications by Year

Citations contained in zbMATH Open

13 Publications have been cited 63 times in 36 Documents Cited by Year
Are the eigenvalues of banded symmetric Toeplitz matrices known in almost closed form? Zbl 1405.15037
Ekström, Sven-Erik; Garoni, Carlo; Serra-Capizzano, Stefano
13
2018
Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols. Zbl 1513.65095
Ekström, S.-E.; Serra-Capizzano, S.
10
2018
Exact formulae and matrix-less eigensolvers for block banded symmetric Toeplitz matrices. Zbl 1405.65051
Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano
9
2018
Are the eigenvalues of the B-spline isogeometric analysis approximation of \(-\Delta u=\lambda u\) known in almost closed form? Zbl 1513.65454
Ekström, Sven-Erik; Furci, Isabella; Garoni, Carlo; Manni, Carla; Serra-Capizzano, Stefano; Speleers, Hendrik
8
2018
A matrix-less and parallel interpolation-extrapolation algorithm for computing the eigenvalues of preconditioned banded symmetric Toeplitz matrices. Zbl 1455.65051
Ekström, Sven-Erik; Garoni, Carlo
7
2019
Are the eigenvalues of preconditioned banded symmetric Toeplitz matrices known in almost closed form? Zbl 1398.65055
Ahmad, Fayyaz; Al-Aidarous, Eman Salem; Alrehaili, Dina Abdullah; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano
5
2018
Preconditioners for fractional diffusion equations based on the spectral symbol. Zbl 07584149
Barakitis, Nikos; Ekström, Sven-Erik; Vassalos, Paris
3
2022
Eigenvalues and eigenvectors of tau matrices with applications to Markov processes and economics. Zbl 1471.15004
Ekström, Sven-Erik; Garoni, Carlo; Jozefiak, Adam; Perla, Jesse
2
2021
Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory. Zbl 1503.15040
Bogoya, Manuel; Ekström, Sven-Erik; Serra-Capizzano, Stefano
2
2022
A multigrid method for nonlocal problems: non-diagonally dominant or Toeplitz-plus-tridiagonal systems. Zbl 1461.65236
Chen, Minghua; Ekström, Sven-Erik; Serra-Capizzano, Stefano
1
2020
Eigenvalue isogeometric approximations based on B-splines: tools and results. Zbl 1429.65167
Ekström, Sven-Erik; Serra-Capizzano, Stefano
1
2019
Toeplitz momentary symbols: definition, results, and limitations in the spectral analysis of structured matrices. Zbl 1493.15035
Bolten, Matthias; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano
1
2022
A discontinuous Galerkin extension of the vertex-centered edge-based finite volume method. Zbl 1364.76108
Berggren, Martin; Ekstrom, Sven-Erik; Nordstrom, Jan
1
2009
Preconditioners for fractional diffusion equations based on the spectral symbol. Zbl 07584149
Barakitis, Nikos; Ekström, Sven-Erik; Vassalos, Paris
3
2022
Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory. Zbl 1503.15040
Bogoya, Manuel; Ekström, Sven-Erik; Serra-Capizzano, Stefano
2
2022
Toeplitz momentary symbols: definition, results, and limitations in the spectral analysis of structured matrices. Zbl 1493.15035
Bolten, Matthias; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano
1
2022
Eigenvalues and eigenvectors of tau matrices with applications to Markov processes and economics. Zbl 1471.15004
Ekström, Sven-Erik; Garoni, Carlo; Jozefiak, Adam; Perla, Jesse
2
2021
A multigrid method for nonlocal problems: non-diagonally dominant or Toeplitz-plus-tridiagonal systems. Zbl 1461.65236
Chen, Minghua; Ekström, Sven-Erik; Serra-Capizzano, Stefano
1
2020
A matrix-less and parallel interpolation-extrapolation algorithm for computing the eigenvalues of preconditioned banded symmetric Toeplitz matrices. Zbl 1455.65051
Ekström, Sven-Erik; Garoni, Carlo
7
2019
Eigenvalue isogeometric approximations based on B-splines: tools and results. Zbl 1429.65167
Ekström, Sven-Erik; Serra-Capizzano, Stefano
1
2019
Are the eigenvalues of banded symmetric Toeplitz matrices known in almost closed form? Zbl 1405.15037
Ekström, Sven-Erik; Garoni, Carlo; Serra-Capizzano, Stefano
13
2018
Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols. Zbl 1513.65095
Ekström, S.-E.; Serra-Capizzano, S.
10
2018
Exact formulae and matrix-less eigensolvers for block banded symmetric Toeplitz matrices. Zbl 1405.65051
Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano
9
2018
Are the eigenvalues of the B-spline isogeometric analysis approximation of \(-\Delta u=\lambda u\) known in almost closed form? Zbl 1513.65454
Ekström, Sven-Erik; Furci, Isabella; Garoni, Carlo; Manni, Carla; Serra-Capizzano, Stefano; Speleers, Hendrik
8
2018
Are the eigenvalues of preconditioned banded symmetric Toeplitz matrices known in almost closed form? Zbl 1398.65055
Ahmad, Fayyaz; Al-Aidarous, Eman Salem; Alrehaili, Dina Abdullah; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano
5
2018
A discontinuous Galerkin extension of the vertex-centered edge-based finite volume method. Zbl 1364.76108
Berggren, Martin; Ekstrom, Sven-Erik; Nordstrom, Jan
1
2009

Citations by Year