57 citations · 134 across the 21 of their papers we have counts for
Showing 2023Show all
2 papers · 1 filter
stat.ML2023★ 1 cited
Parameter-free projected gradient descent
Evgenii Chzhen, Christophe Giraud, Gilles Stoltz
We consider the problem of minimizing a convex function over a closed convex set, with Projected Gradient Descent (PGD). We propose a fully parameter-free version of AdaGrad, which…
stat.ML2023
Small Total-Cost Constraints in Contextual Bandits with Knapsacks, with Application to Fairness
Evgenii Chzhen, Christophe Giraud, Zhen Li +1
We consider contextual bandit problems with knapsacks [CBwK], a problem where at each round, a scalar reward is obtained and vector-valued costs are suffered. The learner aims to m…