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News/The Posterior-Prior Epistemic Gap: When World Model Imagination Fails to Carry Task-Relevant Signals
arxiv
PublishedNovember 14, 2026 at 5:00 AM

The Posterior-Prior Epistemic Gap: When World Model Imagination Fails to Carry Task-Relevant Signals

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arXiv:2611.14955v1 Announce Type: cross Abstract: Model-based planners that roll out imagined futures assume the transition model faithfully propagates task-relevant signals---a property rarely measured directly. In a single-seed case study of a Recurrent State Space Model world model with active-in

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