Claire E. Stevenson

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Interpretability & Mechanistic Interp (1)Natural Language Processing (1)

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Gustaw Opiełka (1)Hannes Rosenbusch (1)

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Feb 25, 2026

Gustaw Opiełka +22w ago

Causality $\neq$ Invariance: Function and Concept Vectors in LLMs

LLMs don't represent concepts abstractly in the way we thought: the "function vectors" that drive in-context learning are surprisingly format-dependent, while more invariant "concept vectors" exist but don't drive ICL as effectively.

Gustaw Opiełka, Hannes Rosenbusch, Claire E. Stevenson

Interpretability & Mechanistic Interp Natural Language Processing

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Claire E. Stevenson

Publication activitypapers/week, last 8 weeks

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