Yanjun Zhao

RiskPO: Risk-based Policy Optimization with Verifiable Reward for LLM Post-Training

FZOO: Fast Zeroth-Order Optimizer for Fine‑Tuning Large Language Models towards Adam‑Scale Speed

Learning a Zeroth-Order Optimizer for Fine-Tuning LLMs

Does Vector Quantization Fail in Spatio-Temporal Forecasting? Exploring a Differentiable Sparse Soft-Vector Quantization Approach

Second-Order Fine-Tuning without Pain for LLMs: A Hessian Informed Zeroth-Order Optimizer