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Todd Y. Zhou

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#artificial intelligence Preprint Sep 2026

Learning Counterfactual World Models for Embodied Reasoning under Partial Observability

World models promise a general route to embodied intelligence: learn predictive dynamics once, then reason, plan, and act with them. Increasingly, the representations beneath such models are pretrained on large-scale video, interaction, and multimodal corpora, which raises a question prediction quality alone cannot ans...

Todd Y. Zhou, Daniella Zhang · 0 citations
Jul 2026

When RLVR Shrinks the Reasoning Boundary: Diagnosing Pass@k Inversion

Per-Problem Base Anchoring is a deliberately simple proof-of-concept that improves both high-budget coverage over matched GRPO and ECCV-relevant vision-language agents when repeated visual, spatial, or chart-reasoning attempts are checked by external tools or verifiers.

Todd Y. Zhou · 0 citations

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