{
  "id": "2505.19245",
  "title": "To CoT or To Loop? A Formal Comparison Between Chain-of-Thought and Looped Transformers",
  "authors": "Kevin Xu, Issei Sato",
  "first_public": "2025-05-25",
  "venue": "arXiv",
  "arxiv": "2505.19245",
  "paper_url": "https://arxiv.org/abs/2505.19245",
  "lens": [
    "analysis",
    "recurrent"
  ],
  "representation": [
    "hidden-state"
  ],
  "computation": [
    "recurrent"
  ],
  "training": [
    "analysis-only"
  ],
  "questions": [
    "theory"
  ],
  "evidence": [
    "formal"
  ],
  "modality": [
    "symbolic"
  ],
  "summary": "Formally compares explicit chain-of-thought computation with repeated internal transformations in looped transformer architectures.",
  "provenance": "Awesome-Latent-CoT",
  "author_names": [
    "Kevin Xu",
    "Issei Sato"
  ],
  "record_url": "https://latent-implicit-thinking.github.io/papers/2505.19245/",
  "legacy_record_url": "https://latent-implicit-thinking.github.io/papers/#paper-2505-19245",
  "citation_date": "2025-05-25",
  "json_url": "https://latent-implicit-thinking.github.io/papers/2505.19245/record.json",
  "markdown_url": "https://latent-implicit-thinking.github.io/papers/2505.19245/index.md",
  "bibtex_url": "https://latent-implicit-thinking.github.io/papers/2505.19245/citation.bib",
  "csl_url": "https://latent-implicit-thinking.github.io/papers/2505.19245/citation.csl.json"
}