Zak Mhammedi
Zak Mhammedi
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Online Learning
Adaptive Matrix Online Learning through Smoothing with Guarantees for Nonsmooth Nonconvex Optimization
Pre-Print 2026
An Ellipsoid Algorithm for Online Convex Optimization
NeurIPS 2025
Oracle-Efficient Adversarial Reinforcement Learning via Max-Following
ICML 2025 Workshop
Beating Adversarial Low-Rank MDPs with Unknown Transition and Bandit Feedback
NeurIPS 2024
Fully Unconstrained Online Learning
NeurIPS 2024
The Power of Resets in Online Reinforcement Learning
NeurIPS 2024 (Spotlight)
Online Convex Optimization with a Separation Oracle
Pre-Print 2024
Lipschitz and Comparator-Norm Adaptivity in Online Learning
COLT 2020
Lipschitz Adaptivity with Multiple Learning Rates in Online Learning
COLT 2019
Constant Regret, Generalized Mixability, and Mirror Descent
NeurIPS 2018 (Spotlight Presentation${}^{\star}$)
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