one-dimensional 1optimal convergence rate 1stochastic convex optimization 1subgaussian noise 1zero-order optimization 1
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stat.ML2025
A conversion theorem and minimax optimality for continuum contextual bandits
Arya Akhavan, Karim Lounici, Massimiliano Pontil +1
We study the contextual continuum bandits problem, where the learner sequentially receives a side information vector and has to choose an action in a convex set, minimizing a funct…
stat.ML2025
Gradient-free stochastic optimization for additive models
Arya Akhavan, Alexandre B. Tsybakov
We address the problem of zero-order optimization from noisy observations for an objective function satisfying the Polyak-Åojasiewicz or the strong convexity condition. Additional…