Zhigeng Liu

PhD student, Shanghai Innovation Institution

PhD student, Fudan University

Joined

February 2024

Names

Zhigeng Liu (Preferred)

Emails

****@m.fudan.edu.cn (Confirmed)

,

****@m.fudan.edu.cn (Confirmed)

,

****@sii.edu.cn (Confirmed)

Personal Links

Career & Education History

PhD student

Shanghai Innovation Institution (sii.edu.cn)

2025 – Present

PhD student

Fudan University (fudan.edu.cn)

2023 – Present

Advisors, Relations & Conflicts

PhD Advisee

2025 – Present

PhD Advisor

2023 – Present

Expertise

No areas of expertise listed

Publications

Beyond Real: Imaginary Extension of Rotary Position Embeddings for Long-Context LLMs
Xiaoran Liu, Yuerong Song, Zhigeng Liu, Zengfeng Huang, Qipeng Guo, Zhaoxiang Liu, Shiguo Lian, Ziwei He, Xipeng Qiu
- ICLR 2026 Poster
- Readers: Everyone
Beyond Homogeneous Attention: Memory-Efficient LLMs via Fourier-Approximated KV Cache
Xiaoran Liu, Siyang He, Qiqi Wang, Ruixiao Li, Yuerong Song, Zhigeng Liu, Mianqiu Huang, Zengfeng Huang, Qipeng Guo, Ziwei He, Xipeng Qiu
- Submitted to ICLR 2026
- Readers: Everyone
DetectiveQA: Evaluating Long-Context Reasoning on Detective Novels
Zhe Xu, Jiasheng Ye, Xiaoran Liu, Xiangyang Liu, Tianxiang Sun, Zhigeng Liu, Qipeng Guo, Linlin Li, Qun Liu, Xuanjing Huang, Xipeng Qiu
- Reasoning and Planning for LLMs @ ICLR2025
- Readers: Everyone
ReAttention: Training-Free Infinite Context with Finite Attention Scope
Xiaoran Liu, Ruixiao Li, Zhigeng Liu, Qipeng Guo, Yuerong Song, Kai Lv, Hang Yan, Linlin Li, Qun Liu, Xipeng Qiu
- ICLR 2025 Poster
- Readers: Everyone

Co-Authors