{"type": "article", "title": "Fork Where the Model Changes Its Mind: Belief-Shift Branching for Tree-Structured Reinforcement Learning", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/fork-where-the-model-changes-its-mind-belief-shift-branching-for-tree-structured", "original_source": "https://arxiv.org/abs/2609.11061", "published": "2026-09-12T04:00:00+00:00", "accessed": "2026-09-12", "id": "fork-where-the-model-changes-its-mind-belief-shift-branching-for-tree-structured"}