Author

Ren-Ping Liu

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Preprint Sep 2026

MDRC: A Deployable State-Recovery Defense for Traffic Signal Control under Sensor Corruption

Traffic Signal Control (TSC) is a safety-critical cyber-physical system that relies on real-time sensing. Corrupted observations caused by adversarial perturbations or sensor failures can propagate from the sensing layer into the controller and degrade traffic efficiency. Existing robust Reinforcement Learning (RL)-bas...

Ming-Yuan Li, Chun-Yu Liu, Xiao Liu et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Diversity Combining for Multi-Path LLM Reasoning

Multi-path reasoning methods such as self-consistency (SC) sample $K$ reasoning paths and choose the most frequent answer. However, their gains quickly plateau as $K$ increases, and existing methods do not predict when this saturation will occur. We formalize multi-path LLM reasoning as a diversity combining problem fr...

Guang-Sheng Yu, Litianyi Zhang, Qin Wang et al. · 0 citations

Preprint Sep 2026

Your Model Is Leaking: Covert Information Transfer through LLM Residual Streams

Privacy-sensitive organizations may run large language models (LLMs) in restricted or air-gapped environments while exporting selected diagnostic artifacts. We show that a compromised runtime component can hide sensitive information in intermediate activations that are allowed to leave the restricted environment. An of...

Ming-Yuan Li, Yan-Na Jiang, Guang-Sheng Yu et al. · 0 citations