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It is one of the most challenging issues in applied mathematics to approximately solve high-dimensional partial differential equations (PDEs) and most of the numerical approximation methods for PDEs in the scientific literature suffer from…

Probability · Mathematics 2024-06-04 Fabian Hornung , Arnulf Jentzen , Diyora Salimova

In recent years deep artificial neural networks (DNNs) have been successfully employed in numerical simulations for a multitude of computational problems including, for example, object and face recognition, natural language processing,…

Numerical Analysis · Mathematics 2021-10-12 Arnulf Jentzen , Diyora Salimova , Timo Welti

Recently, several deep learning (DL) methods for approximating high-dimensional partial differential equations (PDEs) have been proposed. The interest that these methods have generated in the literature is in large part due to simulations…

Numerical Analysis · Mathematics 2026-04-30 Julia Ackermann , Arnulf Jentzen , Thomas Kruse , Benno Kuckuck , Joshua Lee Padgett

The purpose of this article is to develop a machinery to study the capacity of deep neural networks (DNNs) to approximate high-dimensional functions. In particular, we show that DNNs have the expressive power to overcome the curse of…

Numerical Analysis · Mathematics 2026-04-30 Pierfrancesco Beneventano , Patrick Cheridito , Robin Graeber , Arnulf Jentzen , Benno Kuckuck

Artificial neural networks (ANNs) have become a very powerful tool in the approximation of high-dimensional functions. Especially, deep ANNs, consisting of a large number of hidden layers, have been very successfully used in a series of…

Numerical Analysis · Mathematics 2021-03-09 Philipp Grohs , Shokhrukh Ibragimov , Arnulf Jentzen , Sarah Koppensteiner

Numerical experiments indicate that deep learning algorithms overcome the curse of dimensionality when approximating solutions of semilinear PDEs. For certain linear PDEs and semilinear PDEs with gradient-independent nonlinearities this has…

Numerical Analysis · Mathematics 2024-09-24 Ariel Neufeld , Tuan Anh Nguyen

Artificial neural networks (ANNs) have very successfully been used in numerical simulations for a series of computational problems ranging from image classification/image recognition, speech recognition, time series analysis, game…

Numerical Analysis · Mathematics 2023-08-02 Philipp Grohs , Fabian Hornung , Arnulf Jentzen , Philippe von Wurstemberger

In this paper we develop a new machinery to study the capacity of artificial neural networks (ANNs) to approximate high-dimensional functions without suffering from the curse of dimensionality. Specifically, we introduce a concept which we…

Numerical Analysis · Mathematics 2025-01-29 Pierfrancesco Beneventano , Patrick Cheridito , Arnulf Jentzen , Philippe von Wurstemberger

Stochastic differential equations (SDEs) and the Kolmogorov partial differential equations (PDEs) associated to them have been widely used in models from engineering, finance, and the natural sciences. In particular, SDEs and Kolmogorov…

Numerical Analysis · Mathematics 2021-10-05 Christian Beck , Sebastian Becker , Philipp Grohs , Nor Jaafari , Arnulf Jentzen

Backward stochastic differential equations (BSDEs) belong nowadays to the most frequently studied equations in stochastic analysis and computational stochastics. BSDEs in applications are often nonlinear and high-dimensional. In nearly all…

Numerical Analysis · Mathematics 2021-08-25 Martin Hutzenthaler , Arnulf Jentzen , Thomas Kruse , Tuan Anh Nguyen

Deep neural networks and other deep learning methods have very successfully been applied to the numerical approximation of high-dimensional nonlinear parabolic partial differential equations (PDEs), which are widely used in finance,…

Numerical Analysis · Mathematics 2020-11-25 Martin Hutzenthaler , Arnulf Jentzen , Thomas Kruse , Tuan Anh Nguyen

In this article we identify a general class of high-dimensional continuous functions that can be approximated by deep neural networks (DNNs) with the rectified linear unit (ReLU) activation without the curse of dimensionality. In other…

Numerical Analysis · Mathematics 2023-04-13 Adrian Riekert

It is a challenging topic in applied mathematics to solve high-dimensional nonlinear partial differential equations (PDEs). Standard approximation methods for nonlinear PDEs suffer under the curse of dimensionality (COD) in the sense that…

Machine Learning · Computer Science 2024-06-18 Julia Ackermann , Arnulf Jentzen , Benno Kuckuck , Joshua Lee Padgett

This paper develops fundamental limits of deep neural network learning by characterizing what is possible if no constraints are imposed on the learning algorithm and on the amount of training data. Concretely, we consider Kolmogorov-optimal…

Machine Learning · Computer Science 2021-03-15 Dennis Elbrächter , Dmytro Perekrestenko , Philipp Grohs , Helmut Bölcskei

We prove that deep neural networks are capable of approximating solutions of semilinear Kolmogorov PDE in the case of gradient-independent, Lipschitz-continuous nonlinearities, while the required number of parameters in the networks grow at…

Numerical Analysis · Mathematics 2022-05-31 Petru A. Cioica-Licht , Martin Hutzenthaler , P. Tobias Werner

In this paper we prove that rectified deep neural networks do not suffer from the curse of dimensionality when approximating McKean--Vlasov SDEs in the sense that the number of parameters in the deep neural networks only grows polynomially…

Numerical Analysis · Mathematics 2024-06-13 Ariel Neufeld , Tuan Anh Nguyen

The past decade has seen increasing interest in applying Deep Learning (DL) to Computational Science and Engineering (CSE). Driven by impressive results in applications such as computer vision, Uncertainty Quantification (UQ), genetics,…

Numerical Analysis · Mathematics 2024-07-18 Ben Adcock , Simone Brugiapaglia , Nick Dexter , Sebastian Moraga

This paper establishes the nearly optimal rate of approximation for deep neural networks (DNNs) when applied to Korobov functions, effectively overcoming the curse of dimensionality. The approximation results presented in this paper are…

Numerical Analysis · Mathematics 2023-11-09 Yahong Yang , Yulong Lu

In this article, we investigate the existence of a deep neural network (DNN) capable of approximating solutions to partial integro-differential equations while circumventing the curse of dimensionality. Using the Feynman-Kac theorem, we…

Numerical Analysis · Mathematics 2025-01-22 Marcin Baranek

Developing efficient numerical algorithms for the solution of high dimensional random Partial Differential Equations (PDEs) has been a challenging task due to the well-known curse of dimensionality. We present a new solution framework for…

Machine Learning · Computer Science 2019-10-17 Mohammad Amin Nabian , Hadi Meidani
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