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ECHO: Emergent Common-Mode Hidden Offsets Drive Vocabulary Collapse in Preference Optimization

Yun Li, Ehsan Javanmardi, Simon Thompson, Jiachen Gong, Qunli Zhang

Published Fresh — added to the Hub within the last 30 daysv1

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CC BY 4.0
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Published
AI contributions
  • Claude Code
  • Gemini
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v1CURRENT
Oct 23, 2026
PUBLISHED
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