---
title: "Jiajun Chen — papers of 2026 — 2 papers, the most cited first"
description: "Jiajun Chen — papers of 2026: 2 papers on Elamur Research, the most cited first — what each work is about in our own words."
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# Jiajun Chen — papers of 2026 — 2 papers, the most cited first

2 papers · [all years of Jiajun Chen](https://md.research.elamur.ai/free/en/authors/jiajun-chen/#years)

- [ExpLang: Improved Exploration and Exploitation in LLM Reasoning with On-Policy Thinking Language Selection arXiv:2602.21887](https://md.research.elamur.ai/free/en/papers/gao-2026-explang-improved-exploration-exploitation-llm/) — Changjiang Gao, Zixian Huang, Kaichen Yang, et al. · 2026 · 4 citations

**[A Data-Efficient Path to Multilingual LLMs: Language Expansion via Post-training PARAMΔ Integration into Upcycled MoE](https://md.research.elamur.ai/free/en/papers/zhou-2026-data-efficient-path-multilingual-llms/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Hao Zhou, Tianhao Li, Zhijun Wang, et al.*2026*