Author

Jiawen Wei

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#artificial intelligence Preprint Aug 2026

LightNav-0: Eliciting VLM Spatial Intelligence for Generalist Embodied Navigation

LightNav-0 is presented, a compact generalist embodied navigation model that elicits the spatial intelligence of a pretrained VLM and aligns it with navigation, without task-specific prediction heads, and establishes compact VLMs as a unified and transferable backbone for generalist embodied navigation.

Shao-An Wang, Ao-Cheng Luo, Fei Huang et al. · 0 citations

Preprint Aug 2026

When Not to Imitate: Boundary-Aware Skill Memory for Reliable Tool-Use LLM Agents

BASM is proposed, which augments each skill with explicit boundary fields, which transforms each retrieved skill from an unconditional action template into state-conditioned guidance: the agent applies the skill when its conditions hold, suppresses inapplicable tool calls when they do not, and issues targeted repairs when execution fails.

Zi-Han Lin, Zhenyu Chen, Jiawen Wei et al. · 0 citations