Author

Xin-Jie Shen

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#artificial intelligence Preprint Sep 2026

SEAD: A State-Based Perspective on Attack and Defense in Tool-Using Agents

Language-model agents increasingly use tools to act on external systems. Earlier actions can alter files, permissions, database records, or other state, making a later routine-looking action harmful. Yet the visible interaction may not reveal the underlying state needed to assess that action. We formulate attack and de...

Xin-Jie Shen, Jun-Ran Wang, Rong-Zhe Wei et al. · 0 citations

#artificial intelligence Preprint Sep 2026

AcFlow: Controlling Text-to-Image Diffusion Transformers via Learned Conditional Activation Flow

AcFlow is introduced, an inference-time controller that transports intermediate layer image-token activations through a learned concept-conditioned velocity field while keeping the base DiT frozen, and supports the learned velocity field as an adaptive control mechanism.

Jun-Ran Wang, Ze-Hao Jin, Tian-Yu Luan et al. · 0 citations