2 papers
stat.ML2026
Transcendental Regularization of Finite Mixtures:Theoretical Guarantees and Practical Limitations
Ernest Fokoué
Finite mixture models are widely used for unsupervised learning, but maximum likelihood estimation via EM suffers from degeneracy as components collapse. We introduce transcendenta…
stat.ML2026
A Theoretical and Empirical Taxonomy of Imbalance in Binary Classification
Rose Yvette Bandolo Essomba, Ernest Fokoué
Class imbalance significantly degrades classification performance, yet its effects are rarely analyzed from a unified theoretical perspective. We propose a principled framework bas…