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News/Weight-Space Geometry of Offline Reasoning Training
arxiv
PublishedJune 25, 2026 at 4:00 AM
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Weight-Space Geometry of Offline Reasoning Training

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arXiv:2606.23740v1 Announce Type: cross Abstract: Offline reinforcement-learning losses (RFT, RIFT, DFT, Offline GRPO, DPO) are widely used to distill reasoning from large teachers into smaller students, and are typically compared on downstream accuracy alone. We ask whether they are mechanistically

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