--- title: "Runxi Cheng — author profile and papers — Elamur Research" description: "Runxi Cheng, Tsinghua Shenzhen International Graduate School: 2 papers on Elamur Research (2025–2026), h-index 0 — affiliations, topics…" canonical: "https://research.elamur.ai/free/en/authors/runxi-cheng/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/runxi-cheng/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Runxi Cheng # Runxi Cheng Runxi Cheng has 2 papers in our library, in 2025–2026; often with [Chi Zhang](https://md.research.elamur.ai/free/en/authors/chi-zhang/), [Feng Xiong](https://md.research.elamur.ai/free/en/authors/feng-xiong/), [Pengjie Ren](https://md.research.elamur.ai/free/en/authors/pengjie-ren/). 2 papers in our library · 2025–2026 [OpenAlex](https://openalex.org/A5136013577) · [**h-index 0**](https://openalex.org/authors/A5136013577) · [6 works](https://openalex.org/works?filter=author.id:A5136013577) · [0 citations](https://openalex.org/works?filter=author.id:A5136013577&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/runxi-cheng/#papers) · [🔗 Cited 8 times in our library](https://md.research.elamur.ai/free/en/authors/runxi-cheng/cited-by/) · [⭐ Paper Stars ranking: #10067](https://md.research.elamur.ai/free/en/paper-stars/page/101/#star-10067) 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=Runxi+Cheng) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Runxi+Cheng) · [dblp](https://dblp.org/search?q=Runxi+Cheng) · [ACL Anthology](https://aclanthology.org/search/?q=Runxi+Cheng) ## Affiliations [🎓**Tsinghua University** Beijing · China 2025–2026 · 5 papers*current*](https://md.research.elamur.ai/free/en/universities/tsinghua-university/) · [🎓**Tsinghua Shenzhen International Graduate School** Shenzhen · China 2026 · 2 papers*current*](https://md.research.elamur.ai/free/en/universities/tsinghua-shenzhen-international-graduate-school/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 4 The field of science this work belongs to (OpenAlex fields).[Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [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/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) 💡 Concepts 1 Key ideas and methods explained on our concept pages.[Latent semantic indexing · 1 work](https://md.research.elamur.ai/free/en/concepts/latent-semantic-indexing/) ## Works by year ### 2020s [**2026** 1 paper](https://md.research.elamur.ai/free/en/authors/runxi-cheng/year/2026/) · [**2025** 1 paper](https://md.research.elamur.ai/free/en/authors/runxi-cheng/year/2025/) ## Papers The most cited first (OpenAlex and our library). 1. **[HS-STaR: Hierarchical Sampling for Self-Taught Reasoners via Difficulty Estimation and Budget Reallocation](https://md.research.elamur.ai/free/en/papers/xiong-2025-hs-star-hierarchical-sampling-self/)** *(2025 · 9 citations)* Self-taught reasoners (STaRs) improve LLM mathematical reasoning by training on their own sampled solutions. 2. **[Spectral Characterization and Mitigation of Sequential Knowledge Editing Collapse](https://md.research.elamur.ai/free/en/papers/zhang-2026-spectral-characterization-mitigation-sequential-knowledge/)** *(2026)* The paper investigates why large language models degrade sharply when facts are edited one after another over long horizons, a failure common to parameter-modifying editors such as MEMIT, RECT, PRUNE and AlphaEdit. ## Co-authors here 7 co-authors with a page, the most papers together first. - [Chi Zhang](https://md.research.elamur.ai/free/en/authors/chi-zhang/) - [Feng Xiong](https://md.research.elamur.ai/free/en/authors/feng-xiong/) - [Pengjie Ren](https://md.research.elamur.ai/free/en/authors/pengjie-ren/) - [Xiangxiang Chu](https://md.research.elamur.ai/free/en/authors/xiangxiang-chu/) - [Yifei Wang](https://md.research.elamur.ai/free/en/authors/yifei-wang/) - [Yong Wang](https://md.research.elamur.ai/free/en/authors/yong-wang/) - [Zhumin Chen](https://md.research.elamur.ai/free/en/authors/zhumin-chen/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/): [ACL 2026](https://md.research.elamur.ai/free/en/venues/acl/2026/) - [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/): [EMNLP 2025](https://md.research.elamur.ai/free/en/venues/emnlp/2025/) ## Cited by Papers of our library cite their works 8 times (of the 149,439 papers whose bibliographies we read); [2 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/runxi-cheng/cited-by/). Updated 30 October 2026