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#artificial intelligence Preprint Oct 2026

MagicBeanStalk: Escaping the RLVR Zero Advantage Trap with Recursive Data Synthesis

Data-centric scaling of RLVR has focused on collecting or generating verifiable training problems. However, corpus size alone does not determine whether the dataset provides a useful learning signal for a target policy. To guide the synthesis of effective RLVR data, we experimentally characterize dataset effectiveness...

Ximing Lu, Aviral Kumar, Jan Kautz et al. · 0 citations
Preprint Aug 2026

One Frozen Simulator Is Not Enough: Simulator Collapse in Multi-Agent RL

The results suggest that the diversity of the training environment, not only the policy, is critical to the generalization of multi-turn RL to real-world deployment, and releases SCOPE, an open-source framework for Population Co-Training multi-agent RL.

Simon Yu, Nicholas Tomlin, Marwa Abdulhai et al. · 2 citations

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