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Author

Zhi-Hao Liu

2 papers indexed here

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Preprint Nov 2026

Predictive Safety Guardrails Do Not Always Make LLM Agents Safer

Large language model agents increasingly take consequential actions in digital and physical environments, where safety risks may emerge only after multiple interaction steps. This has motivated world-model-driven predictive safety guardrails, which anticipate future consequences before execution. However, existing eval...

Weixiang Zhao, Zhi-Hao Liu, Guan-Cheng Li et al. · 0 citations
Preprint Oct 2026

P-BFM: Perceptive Behavioral Foundation Models for Humanoid Control via Unsupervised Reinforcement Learning

Behavioral foundation models (BFMs) provide humanoids with reusable repertoires of whole-body behaviors; in real-world humanoid control, the same behavioral intent may require fundamentally different motions under different terrain constraints. Covering such variation with terrain-matched demonstrations requires enumer...

Xue Wang, Yi-Tang Li, Yi-Ming Zhang et al. · 0 citations

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