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From the 1 of 6 linked papers with an AI index.

collaborators

6 papers

cs.CR2026

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

Yifan Zhang, Xinkui Zhao, Sai Liu +3

FAVA is a framework that translates natural‑language tasks for large language model agents into structured permission constraints and uses SMT solving to verify and enforce safe ex…

cs.RO2026

Uncertainty Quantification for Flow-Based Vision-Language-Action Models

Ralf Römer, Maximilian Seeliger, Saida Liu +5

Vision-language-action models (VLAs) combine vision-language backbones with expressive generative action heads trained via flow matching on large-scale robotic datasets. Despite th…

cs.MA2026

ATOM: Instantiating Budget-Controllable Multi-Agent Collaboration via Nucleus-Electron Hierarchy

Xinkui Zhao, Sai Liu, Yifan Zhang +6

Large Language Model (LLM)-based multi-agent systems rely on optimized collaboration topologies to balance performance and communication costs. However, current methods struggle wi…

cs.RO2026

MATT-Diff: Multimodal Active Target Tracking by Diffusion Policy

Saida Liu, Nikolay Atanasov, Shumon Koga

This paper proposes MATT-Diff: Multimodal Active Target Tracking by Diffusion Policy, a control policy for active multi-target tracking using a mobile agent. The policy enables mul…

cs.AI2026

ProMAS: Proactive Error Forecasting for Multi-Agent Systems Using Markov Transition Dynamics

Xinkui Zhao, Sai Liu, Yifan Zhang +4

The integration of Large Language Models into Multi-Agent Systems (MAS) has enabled the so-lution of complex, long-horizon tasks through collaborative reasoning. However, this coll…

cs.DC2025

MUSE: A Heterogeneity-Aware Multimedia Search Engine for Mobile SoCs

Xinkui Zhao, Qingyu Ma, Yifan Zhang +8

On-device multimedia retrieval is vital for smartphones, enabling applications like cross-modal semantic search and multimodal personal AI agents. However, realizing efficient retr…