@article{subspaceoptimizationforbackpropagationfr,
  title = {Subspace Optimization for Backpropagation-Free Continual Test-Time Adaptation},
  author = {Damian Sójka and Sebastian Cygert and Marc Masana},
  year = {2026},
  eprint = {2603.28678},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.28678},
}