Sven-Erik Ekström
TitleCited byYear
Are the eigenvalues of banded symmetric Toeplitz matrices known in almost closed form?
SE Ekström, C Garoni, S Serra-Capizzano
Experimental Mathematics 27 (4), 478-487, 2018
182018
Are the eigenvalues of preconditioned banded symmetric Toeplitz matrices known in almost closed form?
F Ahmad, ES Al-Aidarous, DA Alrehaili, SE Ekström, I Furci, ...
Numerical Algorithms 78 (3), 867-893, 2018
152018
Are the eigenvalues of the B‐spline isogeometric analysis approximation of Δu=λu known in almost closed form?
SE Ekström, I Furci, C Garoni, C Manni, S Serra‐Capizzano, H Speleers
Numerical Linear Algebra with Applications 25 (5), e2198, 2018
14*2018
Symbol-based analysis of finite element and isogeometric B-spline discretizations of eigenvalue problems: exposition and review
C Garoni, H Speleers, SE Ekström, A Reali, S Serra-Capizzano, ...
Archives of Computational Methods in Engineering 26 (5), 1639-1690, 2019
132019
A matrix-less and parallel interpolation–extrapolation algorithm for computing the eigenvalues of preconditioned banded symmetric Toeplitz matrices
SE Ekström, C Garoni
Numerical Algorithms 80 (3), 819-848, 2018
12*2018
Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols
SE Ekström, S Serra‐Capizzano
Numerical Linear Algebra with Applications 25 (5), e2137, 2018
72018
A discontinuous Galerkin extension of the vertex-centered edge-based finite volume method
M Berggren, SE Ekström, J Nordström
Communications in Computational Physics 5, 456-468, 2009
62009
Exact formulae and matrix-less eigensolvers for block banded symmetric Toeplitz matrices
SE Ekström, I Furci, S Serra-Capizzano
BIT Numerical Mathematics 58 (4), 937-968, 2018
52018
Matrix-Less Methods for Computing Eigenvalues of Large Structured Matrices
SE Ekström
Acta Universitatis Upsaliensis, 2018
52018
Eigenvalue isogeometric approximations based on B-splines: Tools and results
SE Ekström, S Serra-Capizzano
Advanced Methods for Geometric Modeling and Numerical Simulation, 57-76, 2019
22019
Incorporating a discontinuous Galerkin method into the existing vertex-centered edge-based finite volume solver Edge
SE Ekström, M Berggren
ADIGMA-A European Initiative on the Development of Adaptive Higher-Order …, 2010
22010
Approximating the Perfect Sampling Grids for Computing the Eigenvalues of Toeplitz-like Matrices Using the Spectral Symbol
SE Ekström
arXiv preprint arXiv:1901.06917, 2019
12019
A Multigrid method for nonlocal problems: non-diagonally dominant Toeplitz-plus-tridiagonal systems
M Chen, SE Ekström, S Serra-Capizzano
arXiv preprint arXiv:1808.09595, 2018
12018
Agglomeration multigrid for the vertex-centered dual discontinuous Galerkin method
SE Ekström, M Berggren
ADIGMA-A European Initiative on the Development of Adaptive Higher-Order …, 2010
12010
A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Complex Eigenvalues
SE Ekström, P Vassalos
arXiv preprint arXiv:1910.13810, 2019
2019
A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Real Eigenvalues
SE Ekström
arXiv preprint arXiv:1902.08488, 2019
2019
A vertex-centered discontinuous Galerkin method for flow problems
SE Ekström
Uppsala University, 2016
2016
Fast Computation of Toeplitz Eigenvalues through Asymptotic Expansions and Extrapolation
SE Ekström, C Garoni, S Serra-Capizzano
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