3 papers
cs.LG2026
Whitening Inverts the Hierarchy: What the Norm of a Whitened Embedding Measures
Mohammed Ahnouch, Lotfi Elaachak
Whitening a foundation-model embedding and using its squared norm as a training-free likelihood surrogate is motivated by the observation that whitened coordinates often appear app…
cs.LG2026
Interpolation Is Not Invariance: Pair Count Is Not Coverage in Transformation Audits
Mohammed Ahnouch, Lotfi Elaachak
Counting equivalent pairs is a common way to report transformation-audit coverage, but it can substantially overstate the constraints imposed by an audit: pairs generated from the…
cs.LG2026
Semantic Fibers and Cross-Gram Interference: A Calculus of Safety Drift in Overcomplete Representations
Mohammed Ahnouch, Lotfi Elaachack
A deployed language model may refuse a harmful request in English yet comply with its faithful translation, revealing a cross-lingual safety failure that cannot be characterized re…