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News/Is spectral predictability enough? Testing {\Omega}-matching for synthetic pretraining under distribution shift
arxiv
PublishedOctober 23, 2026 at 4:00 AM

Is spectral predictability enough? Testing {\Omega}-matching for synthetic pretraining under distribution shift

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arXiv:2610.30802v1 Announce Type: new Abstract: Synthetic pretraining under distribution shift requires deciding what synthetic data to use. A natural criterion is to match the spectral predictability $\Omega$ of the source to the target, but is $\Omega$ sufficient? We test this hypothesis, which we

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