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About this paper

Yao Cui, Zhen Yang, Yuandong Wang, Yangfu Zhu, Tianyu Wo, Zhenzhou Shao

ReSI-Math tests whether a math model’s failed answer can be repaired without changing the model. It searches and recombines the model’s sampled attempts, with an external verifier checking offspring, then selects problems for one-problem RLVR and re-profiles after updates. On Qwen3-VL-8B, 272 of 621 correct–failed offspring were verified correct (43.8%); this is an offspring success rate, not a problem-recovery rate.

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