@article{doesthelmheadcreateaharmfulgradientbottl,
  title = {Does the LM Head Create a Harmful Gradient Bottleneck? A Causal Test},
  author = {Anand Murugan},
  year = {2026},
  eprint = {2608.16671},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.16671},
}