Lipschitzian SLLNs for random functions
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Abstract (arXiv)
We prove strong laws of large numbers for random functions in the Lipschitz pseudometric. Our results hold under either a topological or a model-theoretic condition, with the latter encompassing functions jointly definable in o-minimal structures but extending substantially beyond this class. Applications include uniform convergence of limiting and Clarke subdifferentials and finite-sample identification of solutions. Consequently, we identify broad classes of functions for which the failure phenomena revealed by our previous negative results [Tian and Royset, arXiv:2511.16568, 2025] do not occur.
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References · 18
- 2018Stochastic subgradient method converges on tame functionscited by 124
- 2016The Landscape of Empirical Risk for Non-convex Lossescited by 86
- 2019Conservative set valued fields, automatic differentiation, stochastic gradient method and deep learningcited by 72
- 2018Uniform Convergence of Gradients for Non-Convex Learning and Optimizationcited by 38
- 2018Gradient Sampling Methods for Nonsmooth Optimizationcited by 23
- 2018Graphical Convergence of Subgradients in Nonconvex Optimization and Learningcited by 17
- 2020A Stochastic Subgradient Method for Nonsmooth Nonconvex Multi-Level Composition Optimizationcited by 16
- 2019Pathological subgradient dynamicscited by 9
- 2022Subgradient sampling for nonsmooth nonconvex minimizationcited by 6
- 2024On the Uniform Convergence of Subdifferentials in Stochastic Optimization and Learningcited by 3
- 2025Deep Learning as the Disciplined Construction of Tame Objectscited by 3
- 2025Failure of uniform laws of large numbers for subdifferentials and beyondcited by 3
6 more
- 2023Consistency of sample-based stationary points for infinite-dimensional stochastic optimizationcited by 2
- 2024The gradient's limit of a definable family of functions admits a variational stratificationcited by 2
- 2026Finding a stationary point of a stochastic convex problemcited by 2
- 2025Uniform Convergence Beyond Glivenko-Cantellicited by 1
- 2026On rates of convergence for sample average approximations without smoothnesscited by 1
- 2026Graphical stability of set-valued integrals under measure perturbationscited by 1
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