Zhihan Liu

PhD student, Northwestern University

Joined

May 2021

Names

Zhihan Liu (Preferred)

Emails

****@mail.ustc.edu.cn (Confirmed)

****@u.northwestern.edu (Confirmed)

****@gmail.com (Confirmed)

Personal Links

Google Scholar

Career & Education History

PhD student

Northwestern University (northwestern.edu)

2022 – 2026

Undergrad student

University of Science and Technology of China (ustc.edu.cn)

2018 – 2022

Advisors, Relations & Conflicts

No relations added

Expertise

Large Language Models

2023 – Present

Reinforcement learning

2020 – 2023

Publications

Paying Less Generalization Tax: A Cross-Domain Generalization Study of RL Training for LLM Agents
Zhihan Liu, Lin Guan, Yixin Nie, Kai Zhang, Zoey Hao, Lin Chen, Asli Celikyilmaz, Zhaoran Wang, Na Zhang
- LLA 2026 Poster
- Readers: Everyone
Agent Learning via Early Experience
Kai Zhang, Xiangchao Chen, Bo Liu, Tianci Xue, Zeyi Liao, Zhihan Liu, Xiyao Wang, Yuting Ning, Zhaorun Chen, Xiaohan Fu, Jian Xie, Yuxuan Sun, Boyu Gou, Qi Qi, Zihang Meng, Jianwei Yang, Ning Zhang, Xian Li, Ashish Shah, Dat Huynh et al. (10 additional authors not shown)
- Submitted to ICLR 2026
- Readers: Everyone
Reward-Augmented Data Enhances Direct Preference Alignment of LLMs
Shenao Zhang, Zhihan Liu, Boyi Liu, Yufeng Zhang, Yingxiang Yang, Yongfei Liu, Liyu Chen, Tao Sun, Zhaoran Wang
- ICLR 2025 Workshop Data Problems Poster
- Readers: Everyone
BRiTE: Bootstrapping Reinforced Thinking Process to Enhance Language Model Reasoning
Han Zhong, Yutong Yin, Shenao Zhang, Xiaojun Xu, Yuanxin Liu, Yifei Zuo, Zhihan Liu, Boyi Liu, Sirui Zheng, Hongyi Guo, Liwei Wang, Mingyi Hong, Zhaoran Wang
- ICML 2025 poster
- Readers: Everyone
Reward-Augmented Data Enhances Direct Preference Alignment of LLMs
Shenao Zhang, Zhihan Liu, Boyi Liu, Yufeng Zhang, Yingxiang Yang, Yongfei Liu, Liyu Chen, Tao Sun, Zhaoran Wang
- ICML 2025 poster
- Readers: Everyone
Self-Exploring Language Models: Active Preference Elicitation for Online Alignment
Shenao Zhang, Donghan Yu, Hiteshi Sharma, Han Zhong, Zhihan Liu, Ziyi Yang, Shuohang Wang, Hany Hassan Awadalla, Zhaoran Wang
- Accepted by TMLR
- Readers: Everyone
How Can LLM Guide RL? A Value-Based Approach
Shenao Zhang, Sirui Zheng, Shuqi Ke, Zhihan Liu, Wanxin Jin, Jianbo Yuan, Yingxiang Yang, Hongxia Yang, Zhaoran Wang
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone
Progressive LLM Alignments Using Two-Player Games
Rui Zheng, Hongyi Guo, Zhihan Liu, Xiaoying Zhang, Yuanshun Yao, Xiaojun Xu, Zhaoran Wang, Zhiheng Xi, Tao Gui, Qi Zhang, Xuanjing Huang, Yang Liu, Hang Li
- Submitted to ICLR 2025
- Readers: Everyone
Self-Exploring Language Models: Active Preference Elicitation for Online Alignment
Shenao Zhang, Donghan Yu, Hiteshi Sharma, Han Zhong, Zhihan Liu, Ziyi Yang, Shuohang Wang, Hany Hassan Awadalla, Zhaoran Wang
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone
Reward-Augmented Data Enhances Direct Preference Alignment of LLMs
Shenao Zhang, Zhihan Liu, Boyi Liu, Yufeng Zhang, Yingxiang Yang, Yongfei Liu, Liyu Chen, Tao Sun, Zhaoran Wang
- Submitted to ICLR 2025
- Readers: Everyone

View all 21 publications

Co-Authors

View all 85 co-authors