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Xiang-Kun Sun

2 papers indexed here

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How LLMs Are Persuaded: A Few Attention Heads, Rerouted

This work studies causal interventions in controlled multiple-choice tasks and identifies that persuasion mainly acts through a small set of mid-layer attention heads, which are decision heads, which mainly acts through a one-dimensional option-routing feature in the option-token representations.

Xiang-Kun Sun, Ling-Kai Kong, Ao Zhang et al. · 2 citations · ⚡1
#artificial intelligence Preprint Sep 2026

A mechanistic study of language model introspection

Across three model families, two small groups of attention heads are identified with distinct roles in introspective reporting supporting introspective detection and localization of large language models.

Jia-Hong Zou, Xiang-Kun Sun, Ling-Kai Kong et al. · 0 citations

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