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Author

Ayaka Sakata

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Stabilizing Private LASSO under Heterogeneous Covariates via Anisotropic Objective Perturbation

This work proposes a Gram-based anisotropic objective perturbation, a ``pre-distortion"strategy that counteracts the distortion from the covariate structure to restore isotropy in the estimation process and provides theoretical insights into designing stable and efficient private estimators without relying on data-depe...

Haruka Tanzawa, Ayaka Sakata · 0 citations

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