Research & Awards

Research Interests

• Causal inference (mediation analysis, robust estimation)
• Semi-supervised learning
• High-dimensional statistics
• Semiparametric theory

Publications

• Zhen Qi, Xu Guo, and Haobo Qi (2026). Distributed learning for high-dimensional factor augmented regression models. Statistics and Computing, 36, 15.

Preprints

• Zhen Qi and Yuqian Zhang (2026). Quadruply robust methods for causal mediation analysis. arXiv preprint arXiv:2601.22592.

Awards & Honors

• Outstanding Graduate, Beijing Normal University, 2024