Xu, Zhenghao

6 publications

NeurIPS 2025 Ask a Strong LLM Judge When Your Reward Model Is Uncertain Zhenghao Xu, Qin Lu, Qingru Zhang, Liang Qiu, Ilgee Hong, Changlong Yu, Wenlin Yao, Yao Liu, Haoming Jiang, Lihong Li, Hyokun Yun, Tuo Zhao

NeurIPS 2025 Think-RM: Enabling Long-Horizon Reasoning in Generative Reward Models Ilgee Hong, Changlong Yu, Liang Qiu, Weixiang Yan, Zhenghao Xu, Haoming Jiang, Qingru Zhang, Qin Lu, Xin Liu, Chao Zhang, Tuo Zhao

ICML 2024 Beyond Point Prediction: Score Matching-Based Pseudolikelihood Estimation of Neural Marked Spatio-Temporal Point Process Zichong Li, Qunzhi Xu, Zhenghao Xu, Yajun Mei, Tuo Zhao, Hongyuan Zha

NeurIPS 2024 Provable Acceleration of Nesterov's Accelerated Gradient for Asymmetric Matrix Factorization and Linear Neural Networks Zhenghao Xu, Yuqing Wang, Tuo Zhao, Rachel Ward, Molei Tao

JMLR 2024 Sample Complexity of Neural Policy Mirror Descent for Policy Optimization on Low-Dimensional Manifolds Zhenghao Xu, Xiang Ji, Minshuo Chen, Mengdi Wang, Tuo Zhao

NeurIPSW 2023 Good Regularity Creates Large Learning Rate Implicit Biases: Edge of Stability, Balancing, and Catapult Yuqing Wang, Zhenghao Xu, Tuo Zhao, Molei Tao