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math.OC2023★ 2 cited
Zeroth-order Optimization with Weak Dimension Dependency
Pengyun Yue, Long Yang, Cong Fang +1
Zeroth-order optimization is a fundamental research topic that has been a focus of various learning tasks, such as black-box adversarial attacks, bandits, and reinforcement learnin…
math.OC2022★ 5 cited
On the Lower Bound of Minimizing Polyak-Łojasiewicz Functions
Pengyun Yue, Cong Fang, Zhouchen Lin
Polyak-Łojasiewicz (PL) [Polyak, 1963] condition is a weaker condition than the strong convexity but suffices to ensure a global convergence for the Gradient Descent algorithm. In…