Author

Hengxuan Lou

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Preprint Jul 2026

FAVA: Formal Authorization for Verified Agents with Evidence-Backed Permission Graphs

This work presents FAVA (Formal Authorization for Verified Agents), a permission-carrying authorization framework for agent execution that utilizes an LLM-guided Permission Intermediate Representation to translate ambiguous natural-language tasks into structured constraints.

Yifan Zhang, Xinkui Zhao, Sai-Da Liu et al. · 3 citations