Stochastic Weakly Convex Optimization Beyond Lipschitz Continuity

Fuente: arXiv
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Autori principali: Gao, Wenzhi, Deng, Qi
Natura: Preprint
Pubblicazione: 2024
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author Gao, Wenzhi
Deng, Qi
author_facet Gao, Wenzhi
Deng, Qi
contents This paper considers stochastic weakly convex optimization without the standard Lipschitz continuity assumption. Based on new adaptive regularization (stepsize) strategies, we show that a wide class of stochastic algorithms, including the stochastic subgradient method, preserve the $\mathcal{O} ( 1 / \sqrt{K})$ convergence rate with constant failure rate. Our analyses rest on rather weak assumptions: the Lipschitz parameter can be either bounded by a general growth function of $\|x\|$ or locally estimated through independent random samples.
format Preprint
id arxiv_https___arxiv_org_abs_2401_13971
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Stochastic Weakly Convex Optimization Beyond Lipschitz Continuity
Gao, Wenzhi
Deng, Qi
Optimization and Control
Machine Learning
This paper considers stochastic weakly convex optimization without the standard Lipschitz continuity assumption. Based on new adaptive regularization (stepsize) strategies, we show that a wide class of stochastic algorithms, including the stochastic subgradient method, preserve the $\mathcal{O} ( 1 / \sqrt{K})$ convergence rate with constant failure rate. Our analyses rest on rather weak assumptions: the Lipschitz parameter can be either bounded by a general growth function of $\|x\|$ or locally estimated through independent random samples.
title Stochastic Weakly Convex Optimization Beyond Lipschitz Continuity
topic Optimization and Control
Machine Learning
url https://arxiv.org/abs/2401.13971