@misc{lit_2505_19245,
  title = { {To CoT or To Loop? A Formal Comparison Between Chain-of-Thought and Looped Transformers} },
  author = {Kevin Xu and Issei Sato},
  year = {2025},
  note = {arXiv preprint},
  eprint = {2505.19245},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2505.19245}
}