Back to Blackwell: Closing the Loop on Intransitivity in Multi-Objective Preference Fine-Tuning. - Jiahao Zhang; Lujing Zhang; Keltin Grimes; Zhuohao Yu 003; Gokul Swamy 001; Zhiwei Steven Wu (CoRR, 2026)

From Curiosity to Caution: Mitigating Reward Hacking for Best-of-N with Pessimism. - Zhuohao Yu 003; Zhiwei Steven Wu; Adam Block (CoRR, 2026)