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math.ST2026
Adaptive Algorithms for Infinitely Many-Armed Bandits: A Unified Framework
Emmanuel Pilliat
We consider a bandit problem where the buget is smaller than the number of arms, which may be infinite. In this regime, the usual objective in the literature is to minimize simple…
math.ST2026
Logistic lasso regression with nearest neighbors for gradient-based dimension reduction
Touqeer Ahmad, François Portier, Gilles Stupfler
This paper investigates a new approach to estimate the gradient of the conditional probability given the covariates in the binary classification framework. The proposed approach co…