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math.OC2026
A Stochastic Optimization Approach to Control-Affine Optimal Control Problems
Eloïse Berthier, Ziad Kobeissi, Francis Bach
We consider control-affine optimal control problems on the torus, where the dynamics and cost functions are only accessed through samples. Starting from a weak formulation of such…
stat.ML2026
Fast and Robust Convergence Rate for TD(0) with Linear Function Approximation, Universal Learning Steps and I.I.D. Samples
Ziad Kobeissi, Éloïse Berthier
In this paper, we study the finite-time behavior of the TD(0) temporal-difference method with linear function approximation (LFA). We consider on-policy independent and identically…