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Author

Kewei Fu

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Preprint Aug 2026

ARC: Fair Relative Advantage Comparison in Open-Ended Real-World Interaction

The proposed ARC (Advantage Regularization via Conditioning), a training recipe that restores fairer relative comparison through strategy-conditioned rollout grouping, together with hybrid rewards and entropy regularization, is proposed.

Yong-Qi Tong, Tan Li Hui Faith, C. Marcus et al. · 0 citations
Preprint Aug 2026

Ask, Condition or Abstain: Reinforcement Learning for Missing-Premise Reasoning

ACA-RL supports a new mission for NLP evaluation: measuring whether models can recognize when a task is underdetermined and handle uncertainty, not only whether they can answer fully specified questions.

Yong-Qi Tong, Zhenyu Zhang, Zimou Liu et al. · 1 citation
Preprint Aug 2026

STAGE: Controlled Objective Admission for Multi-Preference LLM Alignment

This work proposes \methodname, a stability-guided active-set controller for controlled objective admission, a stability-guided active-set controller for controlled objective admission in reward-vector RLHF, which positions objective-entry timing as a concrete control variable in reward-vector RLHF.

Yong-Qi Tong, Z. Zhang, Ruirui Wang et al. · 1 citation

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