arXiv 2609.29233 · cs.CL · 2026-09-24
Post-Training Leaves Behavioral Shadows on Unrelated Decisions
Ziyang Zhang, Yubin Jing, Yuanhao Zeng, Yuyao Li, Haofan Wang, Yichen Gong
Peking University
In latest · #35 2026-W40 #10 Added on 2026-10-21
One-line takeaway
Shows post-training leaves behavioural shadows in unrelated outputs; a single teacher word per prompt can transfer capabilities to a student.
发现后训练会在无关输出上留下“行为影子”，每个提示只需教师一个词就能把能力迁移给学生。
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