Edit Profile (opens in new tab) Ekström, Sven-Erik Co-Author Distance Author ID: ekstrom.sven-erik Published as: Ekström, Sven-Erik; Ekstrom, Sven-Erik; Ekström, S.-E. more...less Documents Indexed: 25 Publications since 2009, including 6 Additional arXiv Preprints Co-Authors: 23 Co-Authors with 24 Joint Publications 589 Co-Co-Authors all top 5 Co-Authors 1 single-authored 16 Serra-Capizzano, Stefano 7 Garoni, Carlo 7 Vassalos, Paris 5 Furci, Isabella 4 Barbarino, Giovanni 4 Meadon, David 2 Bogoya, Manuel 2 Bolten, Matthias 2 Speleers, Hendrik 1 Ahmad, Fayyaz 1 Al-Aidarous, Eman Salem 1 Alrehaili, Dina Abdullah 1 Barakitis, Nikos 1 Berggren, Martin 1 Chen, Minghua 1 Claesson, Melker 1 Coco, Armando 1 Jozefiak, Adam 1 Manni, Carla 1 Nordström, Jan 1 Perla, Jesse 1 Russo, Giovanni 1 Stissi, Santina Chiara all top 5 Serials 5 Numerical Linear Algebra with Applications 4 Numerical Algorithms 3 Linear Algebra and its Applications 2 BIT 1 SIAM Journal on Matrix Analysis and Applications 1 Experimental Mathematics 1 ETNA. Electronic Transactions on Numerical Analysis 1 Communications in Computational Physics all top 5 Fields 20 Linear and multilinear algebra; matrix theory (15-XX) 19 Numerical analysis (65-XX) 5 Partial differential equations (35-XX) 2 Real functions (26-XX) 2 Operator theory (47-XX) 2 Probability theory and stochastic processes (60-XX) 1 Ordinary differential equations (34-XX) 1 Approximations and expansions (41-XX) 1 Fluid mechanics (76-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 16 Publications have been cited 116 times in 56 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 24 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 16 2019 Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols. Zbl 1513.65095 Ekström, S.-E.; Serra-Capizzano, S. 13 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 13 2018 Exact formulae and matrix-less eigensolvers for block banded symmetric Toeplitz matrices. Zbl 1405.65051 Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano 12 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 9 2018 Preconditioners for fractional diffusion equations based on the spectral symbol. Zbl 1549.65251 Barakitis, Nikos; Ekström, Sven-Erik; Vassalos, Paris 6 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 6 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 3 2020 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 3 2022 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. Zbl 1516.15005 Bolten, Matthias; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano 3 2023 Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: a concise theoretical analysis and a numerical study. Zbl 07893433 Bogoya, Manuel; Ekström, Sven-Erik; Serra-Capizzano, Stefano; Vassalos, Paris 2 2024 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 matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues. Zbl 1480.65102 Ekström, Sven-Erik; Vassalos, Paris 2 2022 Eigenvalue isogeometric approximations based on B-splines: tools and results. Zbl 1429.65167 Ekström, Sven-Erik; Serra-Capizzano, Stefano 1 2019 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 Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: a concise theoretical analysis and a numerical study. Zbl 07893433 Bogoya, Manuel; Ekström, Sven-Erik; Serra-Capizzano, Stefano; Vassalos, Paris 2 2024 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. Zbl 1516.15005 Bolten, Matthias; Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano 3 2023 Preconditioners for fractional diffusion equations based on the spectral symbol. Zbl 1549.65251 Barakitis, Nikos; Ekström, Sven-Erik; Vassalos, Paris 6 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 6 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 3 2022 A matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues. Zbl 1480.65102 Ekström, Sven-Erik; Vassalos, Paris 2 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 3 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 16 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 24 2018 Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols. Zbl 1513.65095 Ekström, S.-E.; Serra-Capizzano, S. 13 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 13 2018 Exact formulae and matrix-less eigensolvers for block banded symmetric Toeplitz matrices. Zbl 1405.65051 Ekström, Sven-Erik; Furci, Isabella; Serra-Capizzano, Stefano 12 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 9 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 all cited Publications top 5 cited Publications all top 5 Cited by 93 Authors 22 Serra-Capizzano, Stefano 12 Ekström, Sven-Erik 8 Bogoya, Manuel 7 Grudsky, Sergei Mikhailovich 6 Garoni, Carlo 5 Furci, Isabella 3 Chen, Minghua 2 Adriani, Andrea 2 Barbarino, Giovanni 2 Bebiano, Natália Isabel Quadros 2 Bianchi, Davide 2 Bolten, Matthias 2 Böttcher, Albrecht 2 Ferrari, Paola 2 Furtado, Susana 2 Hon, Sean Y. 2 Meadon, David 2 Speleers, Hendrik 2 Vassalos, Paris 1 Aceto, Lidia 1 Ahmadi Kakavandi, Bijan 1 An, Chengtao 1 Batalshchikov, A. A. 1 Benedusi, Pietro 1 Bucht, Teodor 1 Cai, Yao-Yuan 1 Cai, Yaoxiong 1 Cao, Rongjun 1 Chaysri, Thaniporn 1 Christiansen, Jacob Stordal 1 Claesson, Melker 1 Coletti, Cristian F. 1 da Fonseca, Carlos Martins 1 Dong, Jiamei 1 Dravins, Ivo 1 Durastante, Fabio 1 Eidelman, Yuli 1 Fung, Po Yin 1 Gasca, Juanita 1 Hadjidimos, Apostolos 1 Haimovici, Iulian 1 Hariprasad, M. 1 Huang, Yuanyuan 1 Jozefiak, Adam 1 Karami, Saeed 1 Krause, Rolf H. 1 Kreiss, Gunilla 1 Kumar, Sarvesh 1 Lei, Siulong 1 Lin, Xuelei 1 Malisheva, I. S. 1 Manni, Carla 1 Marić, Nevena 1 Mazza, Mariarosa 1 Mihalkovich, S. S. 1 Montardini, Monica 1 Mursaleen, Mohammad Ayman 1 Nazarov, Murtazo 1 Neytcheva, Maya G. 1 Ng, Michael Kwok-Po 1 Nobari, Elham 1 Noutsos, Dimitrios 1 Perla, Jesse 1 Qiu, Yi-Feng 1 Qu, Wei 1 Quoc Khanh Nguyen 1 Ramírez de Arellano, Enrique 1 Rodríguez, Pablo M. 1 Rognes, Marie Elisabeth 1 Ruiz-Baier, Ricardo 1 Sangalli, Giancarlo 1 Santilli, Leonardo 1 Schiavoni-Piazza, Alec Jacopo Almo 1 Shakeri, Fatemeh 1 She, Zihang 1 Shi, Jiankang 1 Sormani, Rosita Luisa 1 Stukopin, Vladimir Alekseevich 1 Su, Yangfeng 1 Sun, Hai-Wei 1 Tablino Possio, Cristina 1 Tachyridis, Grigorios 1 Tam, Sik-Chung 1 Tani, Mattia 1 Tavakolipour, Hanieh 1 Tierz, Miguel 1 Venkatapathi, Murugesan 1 Wadbro, Eddie 1 Wang, Jizeng 1 Weber, Ivy 1 Wen, Yong-Qi 1 Weng, Zhifeng 1 Xu, Xingjian all top 5 Cited in 23 Serials 9 Linear Algebra and its Applications 7 Journal of Scientific Computing 6 Numerical Linear Algebra with Applications 4 Numerical Algorithms 3 Applied Mathematics and Computation 3 Calcolo 3 SIAM Journal on Matrix Analysis and Applications 3 ETNA. Electronic Transactions on Numerical Analysis 2 Computer Methods in Applied Mechanics and Engineering 2 BIT 2 Journal of Computational and Applied Mathematics 1 Computers & Mathematics with Applications 1 Journal of Mathematical Analysis and Applications 1 Linear and Multilinear Algebra 1 Mathematical Methods in the Applied Sciences 1 Applied Mathematics Letters 1 Experimental Mathematics 1 Journal of Mathematical Sciences (New York) 1 ELA. The Electronic Journal of Linear Algebra 1 Mathematical Problems in Engineering 1 Applied Mathematics E-Notes 1 Journal of Statistical Mechanics: Theory and Experiment 1 East Asian Journal on Applied Mathematics all top 5 Cited in 17 Fields 47 Numerical analysis (65-XX) 42 Linear and multilinear algebra; matrix theory (15-XX) 11 Operator theory (47-XX) 10 Partial differential equations (35-XX) 3 Probability theory and stochastic processes (60-XX) 3 Statistics (62-XX) 2 Combinatorics (05-XX) 2 Ordinary differential equations (34-XX) 2 Approximations and expansions (41-XX) 2 Fluid mechanics (76-XX) 2 Statistical mechanics, structure of matter (82-XX) 1 Real functions (26-XX) 1 Special functions (33-XX) 1 Computer science (68-XX) 1 Mechanics of deformable solids (74-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Biology and other natural sciences (92-XX) Citations by Year