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Author

Ayana Mussabayeva

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#machine learning Preprint Oct 2026

Detecting a Shift Is Not Enough: Exact Minimax Limits of Linear Representation Repair

A mean shift between two data sources can be easy to detect but hard to remove without substantially changing their representations. We cast its removal as a statistical decision problem: from noisy differences between paired calibration measurements in $\mathbb{R}^d$, learn one linear map, applied to both sources unde...

Anuar Aimoldin, Yan-Kai Chen, Ayana Mussabayeva et al. · 0 citations
#machine learning Preprint Sep 2026

Identifying Neural Source Dynamics from Unknown Local Interventions

Electroencephalography records mixtures of brain-source activity and shows that unknown local mechanism changes can supply the missing information and direct reconstruction is also more reliable than a matched-information spectral estimator.

Ayana Mussabayeva, Jia-Qi Sun, Anuar Aimoldin et al. · 0 citations
#machine learning Preprint Sep 2026

Measurement-Gated Provenance Attenuation for Frozen EEG Representations

Measurement-Gated Provenance Attenuation (MGPA), built on one principle: measurement evidence determines where correction may act, and preserved information determines what it should aim for, brings source to near chance with task performance unchanged.

Anuar Aimoldin, Yan-Kai Chen, Ayana Mussabayeva et al. · 0 citations

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