Author

Mengkai Hou

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#artificial intelligence Preprint Sep 2026

Same Bytes, Different Authority: Reserved-Token Representations in Chat-Template Prompt Injection

In every base and instruction-tuned pair the authors test, instruction tuning strengthens the model's preference for reserved markers, and the gap persists on that channel.

Yan-Yan Zhan, Yun-Ze Song, Meng-Kai Hou et al. · 0 citations

Preprint Aug 2026

Length-Adaptive Decoding for Masked Diffusion Machine Translation

Entropy-Valley (EV), a training-free length selector that scores candidate target canvases by mean predictive entropy from all-mask forward passes and selects the canvas the backbone is most prepared to fill, is introduced.

Yan-Yan Zhan, Meng-Kai Hou, Wan-Ting Zhang et al. · 0 citations