@article{chainofthoughtempowerstransformersto,
  title = {Chain of Thought Empowers Transformers to Solve Inherently Serial Problems},
  author = {Zhiyuan Li and Hong Liu and Denny Zhou and Tengyu Ma},
  year = {2024},
  eprint = {2402.12875},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2402.12875v4},
}