Haoyu Li

On The Fragility of Benchmark Contamination Detection in Reasoning Models

DecepChain: Inducing Deceptive Reasoning in Large Language Models

When Distance Distracts: Representation Distance Bias in BT-Loss for Reward Models

Learning a Zeroth-Order Optimizer for Fine-Tuning LLMs

Two‑Stage Learning of Stabilizing Neural Controllers via Zubov Sampling and Iterative Domain Expansion