{"id":"2605.06241","title":"Rethinking RL for LLM Reasoning: It's Sparse Policy Selection, Not Capability Learning","url":"https://codeofpaper.com/paper/2605.06241","arxiv_url":"https://arxiv.org/abs/2605.06241","published":"2026-05-07","code":"none","best":null,"most_starred_community":null,"implementations":[],"possible_matches":0}