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News/Mind the Gap: Promises and Pitfalls of Hierarchical Planning in LeWorldModel
arxiv
PublishedJuly 16, 2026 at 4:00 AM
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Mind the Gap: Promises and Pitfalls of Hierarchical Planning in LeWorldModel

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arXiv:2607.12547v2 Announce Type: replace-cross Abstract: We investigate whether temporal hierarchy can improve LeWorldModel on long-horizon goal-conditioned control. We introduce Hi-LeWM, an extension that freezes the pretrained low-level LeWM and adds high-level planning over latent subgoals. We e

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