@misc{vanassel2026spectral,
  author = {Van Assel, Hugues},
  title  = {Feature Selection in World Models: A Spectral View},
  year   = {2026},
  month  = oct,
  url    = {https://huguesva.github.io/blog/2026/world-models/},
  note   = {Blog post; research-note PDF available at the same URL}
}