Xu Han

Assistant Professor, Tsinghua University, Tsinghua University

Joined

July 2019

Names

Xu Han

Emails

****@gmail.com (Confirmed)

Personal Links

Career & Education History

Assistant Professor

Tsinghua University, Tsinghua University (tsinghua.edu.cn)

2024 – Present

Postdoc

Tsinghua University, Tsinghua University (tsinghua.edu.cn)

2022 – 2024

PhD student

Tsinghua University, Tsinghua University (tsinghua.edu.cn)

2017 – 2022

Undergrad student

Tsinghua University, Tsinghua University (tsinghua.edu.cn)

2013 – 2017

Advisors, Relations & Conflicts

PhD Advisor

Zhiyuan Liu

2017 – Present

PhD Advisor

Maosong Sun

2017 – Present

Coauthor

Yankai Lin

2017 – Present

Coauthor

Peng Li

2017 – Present

Coauthor

Cheng Yang

2017 – Present

Expertise

natural language processing

2017 – Present

pre-trained language model

2017 – Present

large language model

2017 – Present

Publications

StateX: Enhancing RNN Recall via Post-training State Expansion
Xingyu Shen, Yingfa Chen, Zhen Leng Thai, Xu Han, Zhiyuan Liu, Maosong Sun
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
Process Reinforcement through Implicit Rewards
Ganqu Cui, Lifan Yuan, Zefan Wang, Hanbin Wang, Yuchen Zhang, Jiacheng Chen, Wendi Li, Bingxiang He, Yuchen Fan, Tianyu Yu, Qixin Xu, Weize Chen, Jiarui Yuan, Huayu Chen, Kaiyan Zhang, Xingtai Lv, Shuo Wang, Yuan Yao, Xu Han, Hao Peng et al. (5 additional authors not shown)
- Submitted to ICLR 2026
- Readers: Everyone
InfLLM-V2: Dense-Sparse Switchable Attention for Seamless Short-to-Long Adaptation
Weilin Zhao, Zihan Zhou, Zhou su, Chaojun Xiao, Yuxuan Li, Yanghao Li, Yudi Zhang, Weilun Zhao, Zhen Li, Yuxiang Huang, Ao Sun, Xu Han, Zhiyuan Liu
- ICLR 2026 Poster
- Readers: Everyone
AUTOTRITON: Automatic Triton Programming with Reinforcement Learning in LLMs
ShangZhan Li, Zefan Wang, Ye He, Yuxuan Li, Qi Shi, jianling li, YONGGANG HU, Wanxiang Che, Xu Han, Zhiyuan Liu, Maosong Sun
- Submitted to ICLR 2026
- Readers: Everyone
APB: Accelerating Distributed Long-Context Inference by Passing Compressed Context Blocks across GPUs
Yuxiang Huang, Mingye Li, Xu Han, Chaojun Xiao, Weilin Zhao, Ao Sun, Hao Zhou, Jie Zhou, Zhiyuan Liu, Maosong Sun
- ACL 2025 main
- Readers: Everyone
Locret: Enhancing Eviction in Long-Context LLM Inference with Trained Retaining Heads on Consumer-Grade Devices
Yuxiang Huang, Binhang Yuan, Xu Han, Chaojun Xiao, Zhiyuan Liu
- Accepted by TMLR
- Readers: Everyone
A*-Thought: Efficient Reasoning via Bidirectional Compression for Low-Resource Settings
Xiaoang Xu, Shuo Wang, Xu Han, Zhenghao Liu, Huijia Wu, Pei Pei Li, Zhiyuan Liu, Maosong Sun, Zhaofeng He
- NeurIPS 2025 poster
- Readers: Everyone
Tool Learning with Foundation Models
Yujia Qin, Shengding Hu, Yankai Lin, Weize Chen, Ning Ding, Ganqu Cui, Zheni Zeng, Xuanhe Zhou, Yufei Huang, Chaojun Xiao, Chi Han, Yi R. Fung, Yusheng Su, Huadong Wang, Cheng Qian, Runchu Tian, Kunlun Zhu, Shihao Liang, Xingyu Shen, Bokai Xu et al. (23 additional authors not shown)
- ACM Comput. Surv. 2025
- Readers: Everyone
Stuffed Mamba: Oversized States Lead to the Inability to Forget
Yingfa Chen, Xinrong Zhang, Shengding Hu, Xu Han, Zhiyuan Liu, Maosong Sun
- COLM 2025
- Readers: Everyone
BlockFFN: Towards End-Side Acceleration-Friendly Mixture-of-Experts with Chunk-Level Activation Sparsity
Chenyang Song, Weilin Zhao, Xu Han, Chaojun Xiao, Yingfa Chen, Yuxuan Li, Zhiyuan Liu, Maosong Sun
- COLM 2025
- Readers: Everyone

View all 187 publications

Co-Authors

View all 303 co-authors