@article{decoupleddescentexacttesterrortrackingvi,
  title = {Decoupled Descent: Exact Test Error Tracking Via Approximate Message Passing},
  author = {Max Lovig},
  year = {2026},
  eprint = {2604.27883},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.27883},
}