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Back to the Definition: Estimating Step-Level Advantages via Trajectory Graphs f
BACKGROUND
1 SIGNALFIRST DETECTED 25 September 2026
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25 Sept
Other feeds and industry voices
13 Apr
SPPO: Sequence-Level PPO for Long-Horizon Reasoning Tasks
arXiv:2604.08865v1 Announce Type: new Abstract: Proximal Policy Optimization (PPO) is central to aligning Large Language Models (LLMs) in reasoning tasks with verifiable rewards.
REPORT · WHAT · ArXiv CS.AIOPEN STORY
2 Apr
Signals: Trajectory Sampling and Triage for Agentic Interactions
arXiv:2604.00356v1 Announce Type: new Abstract: Agentic applications based on large language models increasingly rely on multi-step interaction loops involving planning, action
REPORT · WHAT · ArXiv CS.AIOPEN STORY
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