Reserach

If you are having any problems with accessing any of my papers, let me know and I will help you.

Journal papers

  1. E. Ringh, and E. Jarlebring, Nonlinearizing two-parameter eigenvalue problems, SIAM J. Matrix Anal. Appl., 42:2 (2021), 775-799. (Open acces)
    Code for the problem: E. Jarlebring's homepage.
  2. T. Breiten and E. Ringh, Residual-based iterations for the generalized Lyapunov equation, BIT, 59:4 (2019), pages 823-852. (Open acces)
    Code for the problem: Here.
  3. E. Jarlebring, G. Mele, D. Palitta, and E. Ringh, Krylov methods for low-rank commuting generalized Sylvester equations, Numer. Linear Algebra Appl., 25 (2018), pages e2176.
    Code for the problem: Here, and at D. Palitta's homepage.
  4. E. Ringh, G. Mele, J. Karlsson, and E. Jarlebring, Sylvester-based preconditioning for the waveguide eigenvalue problem, Linear Algebra Appl., 542 (2018), pages 441-463.
    Code for the problem: Here.

Conference papers

  1. A. Gattami, E. Ringh, and J. Karlsson, Time Localization and Capacity of Faster-Than-Nyquist Signaling, IEEE Global Communications Conference (GLOBECOM), San Diego, California, USA Dec. 2015.
  2. M. Larsson, J. Lindberg, J. Lycke, K. Hansson, A. Khakulov, E. Ringh, F. Svensson, I. Tjernberg, A. Alam, J. Araujo, F. Farokhi, E. Gadhimi, A. Teixeira, D. V. Dimarogonas and K. H. Johansson, Toward an Indoor Testbed for Mobile Networked Control Systems, Proceedings of the First Workshop on Research, Development and Education on Unmanned Aerial Systems (RED-UAS), Seville, Spain 2011.

Books

  1. G. Mele, E. Ringh, D. Ek, F. Izzo, P. Upadhyaya, E. Jarlebirng, Preconditioning for linear systems, Kindle direct publishing, 2020. (free pdf, or purchase book)

Technical reports

  1. E. Jarlebring, M. Fasi, E. Ringh, Computational graphs for matrix functions, arXiv, (2021), 2107.12198.
    Here is the documentation, and the code is on Github as matrixfunctions/GraphMatFun.jl.
  2. E. Jarlebring, M. Bennedich, G. Mele, E. Ringh, and P. Upadhyaya, NEP-PACK: A Julia package for nonlinear eigenproblems - v0.2, arXiv, (2018), 1811.09592.
    Here is the documentation, and the code is on Github as nep-pack/NonlinearEigenproblems.jl.
  3. A. Gattami, E. Ringh, and J. Karlsson, Time Localization and Capacity of Faster-Than-Nyquist Signaling, arXiv, (2015), 1505.03309.

Software

Patents

Theses