EigenWave: An optimal O(N) method for computing eigenvalues and eigenvectors by time-filtering the wave equation

Daniel Appelö, Jeffrey W. Banks, William D. Henshaw, Ngan Le, Donald W. Schwendeman. EigenWave: An optimal O(N) method for computing eigenvalues and eigenvectors by time-filtering the wave equation. J. Comput. Physics, 555:114758, 2026. [doi]

@article{AppeloBHLS26,
  title = {EigenWave: An optimal O(N) method for computing eigenvalues and eigenvectors by time-filtering the wave equation},
  author = {Daniel Appelö and Jeffrey W. Banks and William D. Henshaw and Ngan Le and Donald W. Schwendeman},
  year = {2026},
  doi = {10.1016/j.jcp.2026.114758},
  url = {https://doi.org/10.1016/j.jcp.2026.114758},
  researchr = {https://researchr.org/publication/AppeloBHLS26},
  cites = {0},
  citedby = {0},
  journal = {J. Comput. Physics},
  volume = {555},
  pages = {114758},
}