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J. R. Dorronsoro

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#artificial intelligence Preprint Sep 2026

Revisiting Thinning Methods for Kernel Learning Problems

Kernel methods are widely used because of their strong theoretical guarantees and empirical performance. However, their high computational cost limits their applicability to large-scale datasets. To address this shortcoming, several approaches use Maximum Mean Discrepancy to construct representative subsets that preser...

Blanca Cano-Camarero, Yago R. Aguado-Carrillo-de-Albornoz, Ángela Fernández-Pascual et al. · 0 citations
Jul 2026

Contrastive-Collapsed Loss for Flexible and Geometrically Optimal Embeddings and Faster Convergence

A theoretical analysis positioning CoCo with respect to related objectives shows that the new proposed loss benefits from closer initialization to the optimal configuration, more informative gradients, and stronger incentives for class-wise representation collapse.

Blanca Cano-Camarero, 'Angela Fern'andez-Pascual, José R. Dorronsoro · 0 citations

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