{"type": "article", "title": "Hints, Critics, and Teachers: Prior Injection for Sparse-Reward RL in Vision-Language Math Reasoning", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/hints-critics-and-teachers-prior-injection-for-sparse-reward-rl-in-vision-math", "original_source": "https://www.machinebrief.com/news/hints-critics-and-teachers-prior-injection-for-sparse-reward-1xye", "published": "2026-08-25T04:00:00+00:00", "accessed": "2026-08-25", "id": "hints-critics-and-teachers-prior-injection-for-sparse-reward-rl-in-vision-math"}