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Breaking the Lower Bound with (Little) Structure: Acceleration in Non-Convex Stochastic Optimization with Heavy-Tailed Noise.
Zijian Liu
Jiawei Zhang
Zhengyuan Zhou
Published in:
COLT (2023)
Keyphrases
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stochastic optimization
lower bound
heavy tailed
upper bound
multistage
np hard
objective function
signal to noise ratio
noise level
heavy tails