--- title: "Xiaoyu Xu — author profile and papers — Elamur Research" description: "Xiaoyu Xu, Hong Kong Polytechnic University: 2 papers on Elamur Research (2026), h-index 1 — affiliations, topics, co-authors and who cites…" canonical: "https://research.elamur.ai/free/en/authors/xiaoyu-xu/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/xiaoyu-xu/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Xiaoyu Xu # Xiaoyu Xu Xiaoyu Xu has 2 papers in our library, in 2026, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/), [Reasoning](https://md.research.elamur.ai/free/en/topics/reasoning/); often with [Minxin Du](https://md.research.elamur.ai/free/en/authors/minxin-du/), [Peizhao Hu](https://md.research.elamur.ai/free/en/authors/peizhao-hu/), [Xiaofeng Zhang](https://md.research.elamur.ai/free/en/authors/xiaofeng-zhang/). 2 papers in our library · 2026 [OpenAlex](https://openalex.org/A5139736830) · [ORCID](https://orcid.org/0009-0008-4194-3853) · [**h-index 1**](https://openalex.org/authors/A5139736830) · [3 works](https://openalex.org/works?filter=author.id:A5139736830) · [1 citations](https://openalex.org/works?filter=author.id:A5139736830&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/xiaoyu-xu/#papers) · [⭐ Paper Stars ranking: #13188](https://md.research.elamur.ai/free/en/paper-stars/page/132/#star-13188) 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=Xiaoyu+Xu) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Xiaoyu+Xu) · [dblp](https://dblp.org/search?q=Xiaoyu+Xu) · [ACL Anthology](https://aclanthology.org/search/?q=Xiaoyu+Xu) ## Affiliations [🎓**Hong Kong Polytechnic University** Hong Kong · China 2026 · 2 papers*current*](https://md.research.elamur.ai/free/en/universities/hong-kong-polytechnic-university/) 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/) 🧭 Topics 2 Research subjects and languages the work is about.[Reasoning · 1 work](https://md.research.elamur.ai/free/en/topics/reasoning/) · [Language models & pretraining · 1 work](https://md.research.elamur.ai/free/en/topics/language-models/) ## Works by year ### 2020s [**2026** 2 papers](https://md.research.elamur.ai/free/en/authors/xiaoyu-xu/year/2026/) ## Papers The most cited first (OpenAlex and our library). 1. **[Reasoning Fails Where Step Flow Breaks](https://md.research.elamur.ai/free/en/papers/xu-2026-reasoning-fails-where-step-flow/)** *(2026 · 1 citation)* Large reasoning models (LRMs) produce long question–thinking–summary traces, but their mistakes are hard to trace back to specific parts of the reasoning. 2. **[From Domains to Instances: Dual-Granularity Data Synthesis for LLM Unlearning](https://md.research.elamur.ai/free/en/papers/xu-2026-domains-instances-dual-granularity-data/)** *(2026)* Evaluating machine unlearning in LLMs is unreliable when forget sets do not match what the model actually knows. ## Co-authors here 5 co-authors with a page, the most papers together first. - [Minxin Du](https://md.research.elamur.ai/free/en/authors/minxin-du/) - [Peizhao Hu](https://md.research.elamur.ai/free/en/authors/peizhao-hu/) - [Xiaofeng Zhang](https://md.research.elamur.ai/free/en/authors/xiaofeng-zhang/) - [Xiaosong Yuan](https://md.research.elamur.ai/free/en/authors/xiaosong-yuan/) - [Zi Liang](https://md.research.elamur.ai/free/en/authors/zi-liang/) ## 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/) - [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/): [Findings of the Association for Computational Linguistics 2026](https://md.research.elamur.ai/free/en/venues/findings/2026/) Updated 2 November 2026