@article{lostorhiddenaconceptlevelforgettinginsup,
  title = {Lost or Hidden? A Concept-Level Forgetting in Supervised Continual Learning},
  author = {Katarzyna Filus and Kamil Faber and Roberto Corizzo and Christopher Kanan},
  year = {2026},
  eprint = {2605.16374},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.16374},
}