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Existence and uniqueness of the fixed-point solution for regularized M-estimators
Existence and uniqueness conjecture. These assumptions are sufficient to guarantee existence and uniqueness of a solution to the system, without requiring the loss and penalty to b…
Conjectureopenfixed-point-equations m-estimators statistical-learning-theoryarXiv posted 2 days ago

Existence and uniqueness of the fixed-point solution for regularized M-estimators