activity
20202024
most citedExponential ReLU Neural Network Approximation Rates for Point and Edge Singularities

20 citations · 40 across the 5 of their papers we have counts for

collaborators

5 papers

math.NA2024★ 2 cited

First Order System Least Squares Neural Networks

Joost A. A. Opschoor, Philipp C. Petersen, Christoph Schwab

We introduce a conceptual framework for numerically solving linear elliptic, parabolic, and hyperbolic PDEs on bounded, polytopal domains in euclidean spaces by deep neural network…

math.NA2024★ 3 cited

Exponential Expressivity of ReLU Neural Networks on Gevrey Classes with Point Singularities

Joost A. A. Opschoor, Christoph Schwab

We analyze deep Neural Network emulation rates of smooth functions with point singularities in bounded, polytopal domains , . We prove expon…

math.NA2023★ 3 cited

Deep ReLU networks and high-order finite element methods II: Chebyshev emulation

Joost A. A. Opschoor, Christoph Schwab

We show expression rates and stability in Sobolev norms of deep feedforward ReLU neural networks (NNs) in terms of the number of parameters defining the NN for continuous, piecewis…

math.NA2022★ 12 cited

De Rham compatible Deep Neural Network FEM

Marcello Longo, Joost A. A. Opschoor, Nico Disch +2

On general regular simplicial partitions of bounded polytopal domains , , we construct \emph{exact neural network (NN) emulations}…

math.NA2020★ 20 cited

Exponential ReLU Neural Network Approximation Rates for Point and Edge Singularities

Carlo Marcati, Joost A. A. Opschoor, Philipp C. Petersen +1

We prove exponential expressivity with stable ReLU Neural Networks (ReLU NNs) in for weighted analytic function classes in certain polytopal domains , in space dimensio…