--- title: "Ethan Chern — author profile and papers — Elamur Research" description: "Ethan Chern: 2 papers on Elamur Research (2024–2025), h-index 4 — affiliations, topics, co-authors and who cites them in our library." canonical: "https://research.elamur.ai/free/en/authors/ethan-chern/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/ethan-chern/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Ethan Chern # Ethan Chern Ethan Chern has 2 papers in our library, in 2024–2025, most of them on [Reasoning](https://md.research.elamur.ai/free/en/topics/reasoning/); often with [Pengfei Liu](https://md.research.elamur.ai/free/en/authors/pengfei-liu/), [Shijie Xia](https://md.research.elamur.ai/free/en/authors/shijie-xia/), [Steffi Chern](https://md.research.elamur.ai/free/en/authors/steffi-chern/). 2 papers in our library · 2024–2025 [OpenAlex](https://openalex.org/A5093487595) · [**h-index 4**](https://openalex.org/authors/A5093487595) · [16 works](https://openalex.org/works?filter=author.id:A5093487595) · [31 citations](https://openalex.org/works?filter=author.id:A5093487595&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/ethan-chern/#papers) · [🔗 Cited 414 times in our library](https://md.research.elamur.ai/free/en/authors/ethan-chern/cited-by/) · [4 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #5546](https://md.research.elamur.ai/free/en/paper-stars/page/56/#star-5546) The profile is the library's match of the name; two people with one name are not always told apart. Elsewhere: [Google Scholar](https://scholar.google.com/citations?view_op=search_authors&mauthors=Ethan+Chern) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Ethan+Chern) · [dblp](https://dblp.org/search?q=Ethan+Chern) · [ACL Anthology](https://aclanthology.org/search/?q=Ethan+Chern) ## Affiliations [🎓**Shanghai Jiao Tong University** Shanghai · China 2023–2025 · 8 papers](https://md.research.elamur.ai/free/en/universities/shanghai-jiao-tong-university/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 1 more institution on single bylines are not listed. ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 9 The field of science this work belongs to (OpenAlex fields).[Arts and Humanities · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Computer Science · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) · [Applied Mathematics · 1 work](https://md.research.elamur.ai/free/en/shelves/mathematics/applied-mathematics/) · [Mathematics · 1 work](https://md.research.elamur.ai/free/en/shelves/mathematics/) · [Social Sciences · 1 work](https://md.research.elamur.ai/free/en/shelves/social-sciences/) · [Computer Vision and Pattern Recognition · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/computer-vision-and-pattern-recognition/) · [Sociology and Political Science · 1 work](https://md.research.elamur.ai/free/en/shelves/social-sciences/sociology-and-political-science/) 🧭 Topics 1 Research subjects and languages the work is about.[Reasoning · 1 work](https://md.research.elamur.ai/free/en/topics/reasoning/) ## Works by year ### 2020s [**2025** 1 paper](https://md.research.elamur.ai/free/en/authors/ethan-chern/year/2025/) · [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/ethan-chern/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[LIMO: Less is More for Reasoning](https://md.research.elamur.ai/free/en/papers/ye-2025-limo-less-more-reasoning/)** *(2025 · 209 citations)* This paper challenges the common belief that LLMs need hundreds of thousands of supervised examples to learn mathematical reasoning. 2. **[Halu-J: Critique-Based Hallucination Judge](https://md.research.elamur.ai/free/en/papers/wang-2024-halu-j-critique-based-hallucination/)** *(2024 · 8 citations)* LLMs often produce factually wrong statements. Retrieval-based detectors usually reduce the check to a bare label. They give little justification, can be thrown off by off-topic retrieved passages, and weigh all evidence equally. Halu-J addresses this with an open judge model of 7 billion parameters. Given a claim… ## All works 6 works of theirs in our library, the most cited first; 2 with a page here, the others link their original until we summarise them. 1. [**LIMO: Less is More for Reasoning arXiv:2502.03387**Yixin Ye, Zhen Huang, Yang Xiao, et al.*2025 · 209 citations*](https://md.research.elamur.ai/free/en/papers/ye-2025-limo-less-more-reasoning/) 2. **[Alignment for Honesty ↗](https://arxiv.org/abs/2312.07000) arXiv:2312.07000 · no summary yet**Yuqing Yang et al.*2023 · 90 citations* 3. **[O1 Replication Journey — Part 2: Surpassing O1-preview through Simple Distillation, Big Progress or Bitter Lesson? ↗](https://arxiv.org/abs/2411.16489) arXiv:2411.16489 · no summary yet**Zhen Huang et al.*2024 · 58 citations* 4. **[OlympicArena: Benchmarking Multi-discipline Cognitive Reasoning for Superintelligent AI ↗](https://arxiv.org/abs/2406.12753) arXiv:2406.12753 · no summary yet**Zhen Huang et al.*2024 · 56 citations* 5. **[Can Large Language Models be Trusted for Evaluation? Scalable Meta-Evaluation of LLMs as Evaluators via Agent Debate ↗](https://arxiv.org/abs/2401.16788) arXiv (Cornell University) · no summary yet**Steffi Chern et al.*2024 · 17 citations* 6. [**Halu-J: Critique-Based Hallucination Judge arXiv:2407.12943**Binjie Wang, Steffi Chern, Ethan Chern, et al.*2024 · 8 citations*](https://md.research.elamur.ai/free/en/papers/wang-2024-halu-j-critique-based-hallucination/) ## Co-authors here 5 co-authors with a page, the most papers together first. - [Pengfei Liu](https://md.research.elamur.ai/free/en/authors/pengfei-liu/) ×2 - [Shijie Xia](https://md.research.elamur.ai/free/en/authors/shijie-xia/) - [Steffi Chern](https://md.research.elamur.ai/free/en/authors/steffi-chern/) - [Yang Xiao](https://md.research.elamur.ai/free/en/authors/yang-xiao/) - [Zhen Huang](https://md.research.elamur.ai/free/en/authors/zhen-huang/) ## Cited by Papers of our library cite their works 414 times (of the 149,439 papers whose bibliographies we read); [112 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/ethan-chern/cited-by/). Updated 30 October 2026