Author

Hua-Kang Lin

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Preprint Aug 2026

Groundhog Bit-Flip Attack: Seeding Infinite Generation Loops in Mixture-of-Experts LLMs through Bit Flips

Mixture-of-Experts (MoE) architectures enable scalable and efficient large language models (LLMs) by selectively activating expert sub-networks through a routing mechanism. However, this adaptive design introduces a new attack surface: specific experts become disproportionately correlated with certain tokens (e.g., end...

Hua-Kang Lin, Tian-Cheng Zheng, Ming-Xuan Sun et al. · 0 citations

#graph neural networks Preprint Aug 2026

Closed-Loop Decision-Focused Learning for User-Aware Cloud Orchestration under Uncertainty

Heterogeneous job scheduling is formulated as a multi-objective combinatorial optimization problem (MOCOP) under uncertain constraints and a closed-loop decision-focused learning (CL-DFL) framework for cloud orchestration is proposed to improve robustness under heterogeneous workloads.

Dongbin Jiao, Xu-Bo Zhang, Hua-Kang Lin et al. · 0 citations