tracked author Lingfeng Liu Coauthor of ECHO. The arXiv title page lists School of Mathematical Sciences, Peking University. 1 archived notes X: not-found Related Notes 按论文归档时间排序，展示该作者在本站已经出现的材料。 Jul 03, 2026 ECHO: Prune to act, trace to learn with selective turn memory in agentic RL ECHO 的核心价值在于把 long horizon agent 的 context management 从“压缩历史以继续行动”推进到“保留 source indexed reconstruction trace 以便学习”：每个已完成工具 turn 被压成带原始 turn id 的 memory record，policy 在上下文触顶时选择可复用记忆来重建 bounded context，并把最终正确轨迹的正向 outcome... 2606.31650-echo-selective-turn-memory-agentic-rl Agent MemoryAgent RLLong Context
Jul 03, 2026 ECHO: Prune to act, trace to learn with selective turn memory in agentic RL ECHO 的核心价值在于把 long horizon agent 的 context management 从“压缩历史以继续行动”推进到“保留 source indexed reconstruction trace 以便学习”：每个已完成工具 turn 被压成带原始 turn id 的 memory record，policy 在上下文触顶时选择可复用记忆来重建 bounded context，并把最终正确轨迹的正向 outcome... 2606.31650-echo-selective-turn-memory-agentic-rl Agent MemoryAgent RLLong Context