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Cheung W.C, Simchi-Levi D., Zhu R.  2020.  Reinforcement Learning for Non-Stationary Markov Decision Processes: The Blessing of (More) Optimism. ICML 2020.

Cheung W.C, Simchi-Levi D, Zhu R.  2019.  Learning to Optimize under Non-Stationarity. AISTATS 2019.

Mao W, Zhang K, Zhu R, Simchi-Levi D, Basar T.  2021.  Is Model-Free Learning Nearly Optimal for Non-Stationary RL? ICML 2021.

Simchi-Levi D, Sun R, Wu MXiao, Zhu R.  2022.  Calibrating Sales Forecast in a Pandemic Using Competitive Online Non-Parametric Regression. Management Science.