arXivMohamed Sana, Nicola Piovesan, Antonio De Domenico, Fadhel Ayed, Haozhe ZhangThu, May 28, 2026, 9:38 AM PDT
score 14.8
New training tweak makes AI models learn faster from sparse feedback
Original: HPO: Hysteretic Policy Optimization for Stable and Efficient Training under Sparse-Reward Regime
Source: arxiv.org ↗
Writing ELI5 summary…