Beyond Attention or Similarity: Maximizing Conditional Diversity for Token Pruning in MLLMs. - Qizhe Zhang; Mengzhen Liu; Lichen Li 001; Ming Lu 002; Yuan Zhang 020; Junwen Pan; Qi She; Shanghang Zhang (CoRR, 2025)

Do Synthetic Trajectories Reflect Real Reward Hacking? A Systematic Study on Monitoring In-the-Wild Hacking in Code Generation. - Lichen Li 001; Hengguang Zhou; Yijun Liang; Tianyi Zhou 001; Cho-Jui Hsieh (CoRR, 2026)