Northwestern University; University of Minnesota; Princeton University; CUHK
Prashant Khanduri, Siliang Zeng, Mingyi Hong, Hoi-To Wai, Zhaoran Wang, Zhuoran Yang
stochastic bilevel optimization;non-convex optimization;single time-scale stochastic approximation
A Near-Optimal Algorithm for Stochastic Bilevel Optimization via Double-Momentum