An Improved Convergence Analysis of Stochastic Variance-Reduced Policy Gradient. - Pan Xu 002; Felicia Gao; Quanquan Gu (UAI, 2019)

Sample Efficient Policy Gradient Methods with Recursive Variance Reduction. - Pan Xu 002; Felicia Gao; Quanquan Gu (ICLR, 2020)