Zishi Zhang

PhD student, Peking University

Joined

September 2024

Names

Zishi Zhang (Preferred)

Emails

****@stu.pku.edu.cn (Confirmed)

Personal Links

Career & Education History

PhD student

Peking University (stu.pku.edu.cn)

2022 – 2027

Advisors, Relations & Conflicts

PhD Advisor

Present

Expertise

No areas of expertise listed

Publications

Half-order Fine-Tuning for Diffusion Model: A Recursive Likelihood Ratio Optimizer
Tao Ren, Zishi Zhang, Jinyang Jiang, Zehao Li, Shentao Qin, Yi Zheng, Guanghao Li, Qianyou Sun, Yan Li, Jiafeng Liang, Xinping Li, Yijie Peng
- ICLR 2026 Oral
- Readers: Everyone
RiskPO: Risk-based Policy Optimization with Verifiable Reward for LLM Post-Training
Tao Ren, Jinyang Jiang, Hui Yang, Wan Tian, Minhao Zou, Guanghao Li, Zishi Zhang, Qinghao Wang, Shentao Qin, Yanjun Zhao, Rui Tao, Hui Shao, Yijie Peng
- ICLR 2026 Poster
- Readers: Everyone
Exploring and Exploiting Model Uncertainty in Bayesian Optimization
Zishi Zhang, Tao Ren, Yijie Peng
- NeurIPS 2025 poster
- Readers: Everyone
FLOPS: Forward Learning with OPtimal Sampling
Tao Ren, Zishi Zhang, Jinyang Jiang, Guanghao Li, Zeliang Zhang, Mingqian Feng, Yijie Peng
- ICLR 2025 Poster
- Readers: Everyone
FLOPS: Forward Learning with OPtimal Sampling
Tao Ren, Zishi Zhang, Jinyang Jiang, Guanghao Li, Zeliang Zhang, Mingqian Feng, Yijie Peng
- CoRR 2024
- Readers: Everyone
Dynamic Assortment Optimization in Live-Streaming Sales
Zishi Zhang, Haidong Li, Ying Liu, Yijie Peng
- WSC 2024
- Readers: Everyone

Co-Authors