{"type": "article", "title": "GCPO: Diagnosing and Constraining Subspace Geometry in Rollout RL for LLMs", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/gcpo-diagnosing-and-constraining-subspace-geometry-in-rollout-rl-for-llms", "original_source": "https://www.machinebrief.com/news/gcpo-diagnosing-and-constraining-subspace-geometry-in-rollou-qmax", "published": "2026-08-13T04:00:00+00:00", "accessed": "2026-08-13", "id": "gcpo-diagnosing-and-constraining-subspace-geometry-in-rollout-rl-for-llms"}