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variance adaptation

2 papers

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Co-occurring keywords · papers mentioning both

elliptical potential (1) horizon-free regret (1) gradient variance (1) linear bandit (1) adam optimizer (1) regret bound (1) gradient descent (1) markov decision process (1) stochastic gradient descent (1) stochastic gradient (1)

Papers

Improved Regret Analysis for Variance-Adaptive Linear Bandits and Horizon-Free Linear Mixture MDPs NeurIPS 2022 Dissecting Adam: The Sign, Magnitude and Variance of Stochastic Gradients ICML 2018