Search Results for author: David Dahmen

Found 7 papers, 0 papers with code

A theory of data variability in Neural Network Bayesian inference

no code implementations31 Jul 2023 Javed Lindner, David Dahmen, Michael Krämer, Moritz Helias

Using our formalism on a synthetic task and on MNIST we obtain a homogeneous kernel matrix approximation for the learning curve as well as corrections due to data variability which allow the estimation of the generalization properties and exact results for the bounds of the learning curves in the case of infinitely many training data points.

Bayesian Inference

Optimal signal propagation in ResNets through residual scaling

no code implementations12 May 2023 Kirsten Fischer, David Dahmen, Moritz Helias

We here derive a systematic finite-size theory for ResNets to study signal propagation and its dependence on the scaling for the residual branch.

Decomposing neural networks as mappings of correlation functions

no code implementations10 Feb 2022 Kirsten Fischer, Alexandre René, Christian Keup, Moritz Layer, David Dahmen, Moritz Helias

Understanding the functional principles of information processing in deep neural networks continues to be a challenge, in particular for networks with trained and thus non-random weights.

Unified field theoretical approach to deep and recurrent neuronal networks

no code implementations10 Dec 2021 Kai Segadlo, Bastian Epping, Alexander van Meegen, David Dahmen, Michael Krämer, Moritz Helias

Bayesian inference on Gaussian processes has proven to be a viable approach for studying recurrent and deep networks in the limit of infinite layer width, $n\to\infty$.

Bayesian Inference Gaussian Processes

Capacity of the covariance perceptron

no code implementations2 Dec 2019 David Dahmen, Matthieu Gilson, Moritz Helias

Closed-form expressions reveal superior pattern capacity in the binary classification task compared to the classical perceptron in the case of a high-dimensional input and low-dimensional output.

Binary Classification Classification +3

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