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Souvik Kundu

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#artificial intelligence Preprint Oct 2026

The Sharp Directions Are Against You: Curvature Analysis of Activation Steering

Activation steering adds a vector to a language model's internal representations at inference time. It is a lightweight alternative to fine-tuning for behavioral control. The standard construction, contrastive activation addition (CAA), is fragile, as on many inputs it shifts behavior in the wrong direction. To explain...

Seyedarmin Azizi, Arya Fayyazi, Parsa Razmara et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Sharpen Without Search: On-Policy Distillation of Sequence-Level Power Distribution

A language model can give a correct answer more probability than any single incorrect answer and still usually sample an incorrect one, because the incorrect answers together hold more probability. The power distribution raises each complete answer's probability to a power above one and renormalizes, shifting probabili...

Erfan Baghaei Potraghloo, Seyedarmin Azizi, Arya Fayyazi et al. · 0 citations

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