Xu, Zhenghao

1. COSMOS: A Hybrid Adaptive Optimizer for Memory-Efficient Training of LLMs
   2025/02/24 by Liu, Liming, Xu, Zhenghao, Zhang, Zixuan +5 · 7 citations
   #FOS: Computer and information sciences #Machine Learning (cs.LG)
2. Stellar Population and Metal Production in AGN Disks
   2025/01/12 by Fryer, Chris L., Huang, Jiamu, Ali-Dib, Mohamad +3 · 3 citations
   #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE)
3. Good regularity creates large learning rate implicit biases: edge of stability, balancing, and catapult
   2023/10/26 by Yuqing Wang, Wang, Yuqing, Zhenghao Xu +5 · 1 citation
   Computer Science · Engineering · #Dynamical Systems (math.DS) #FOS: Computer and information sciences #FOS: Mathematics #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Machine Learning and ELM #Optimization and Control (math.OC) #Sparse and Compressive Sensing Techniques #Stochastic Gradient Optimization Techniques
4. Think-RM: Enabling Long-Horizon Reasoning in Generative Reward Models
   2025/05/22 by Ilgee Hong, Changlong Yu, Hong, Ilgee +19 · 4 citations
   Computer Science · #Explainable Artificial Intelligence (XAI) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Multimodal Machine Learning Applications #Topic Modeling
5. Ask a Strong LLM Judge when Your Reward Model is Uncertain
   2025/10/23 by Xu, Zhenghao, Lu, Qin, Zhang, Qingru +9 · 1 citation
   #FOS: Computer and information sciences #Machine Learning (cs.LG)