Error analysis for the deep Kolmogorov method

Iulian Cîmpean, Thang Do, Lukas Gonon, Arnulf Jentzen, Ionel Popescu
8/23/2025
math.NAcs.AImath.AP

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Abstract

The deep Kolmogorov method is a simple and popular deep learning based method for approximating solutions of partial differential equations (PDEs) of the Kolmogorov type. In this work we provide an error analysis for the deep Kolmogorov method for heat PDEs. Specifically, we reveal convergence with convergence rates for the overall mean square distance between the exact solution of the heat PDE and the realization function of the approximating deep neural network (DNN) associated with a stochastic optimization algorithm in terms of the size of the architecture (the depth/number of hidden layers and the width of the hidden layers) of the approximating DNN, in terms of the number of random sample points used in the loss function (the number of input-output data pairs used in the loss function), and in terms of the size of the optimization error made by the employed stochastic optimization method.

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Cite this paper

@article{cmpean2025error,
  title  = {Error analysis for the deep Kolmogorov method},
  author = {Iulian Cîmpean and Thang Do and Lukas Gonon and Arnulf Jentzen and Ionel Popescu},
  year   = {2025},
  eprint = {2508.17167},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2508.17167v3}
}

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