Author

Aoqi Hu

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Preprint Aug 2026

EchoRec: Multi-Item Prediction-Empowered Generative Recommendation via Cycle-Consistent Preference Alignment

EchoRec is proposed, which empowers MTP with cycle-consistent holistic preference alignment across multi-horizon for generative recommendation and demonstrates the superiority of the EchoRec, together with its naturally acquired multi-item generation ability.

Haokai Ma, Ao-Qi Hu, Yueao Xing et al. · 0 citations

Jul 2026

Deconstructing Off-Policy Ratios: Entropy-Scaled Trust Regions for Asynchronous Reinforcement Learning

The Entropy-Scaled Trust Region (ESTR), which scales each token’s off-policy deviation by its local entropy, requiring no auxiliary forward passes or explicit version-switch detection, consistently outperforms existing asynchronous methods and achieves the best train-inference consistency.

Guan-Qun Zhao, Zi-Jun Xie, Bin-Bin Zheng et al. · arXiv.org · 3 citations