@misc{ARR-2026-6TQRG7PY6C8JZR2D-v1,
  author = {Lluis Eriksson},
  title = {{A sharp circle-root residual barrier and its collapse with one interior zero}},
  year = {2026},
  howpublished = {AIRR.SCIENCE},
  note = {Research preprint; ARR-2026-6TQRG7PY6C8JZR2D v1. Not peer reviewed by AIRR. Working paper; not admitted to the AIRR accepted collection.},
  url = {https://airr.science/papers/ARR-2026-6TQRG7PY6C8JZR2D/versions/v1/}
}