Search Results for author: Pascal Mattia Esser

Found 5 papers, 0 papers with code

On the Influence of Enforcing Model Identifiability on Learning dynamics of Gaussian Mixture Models

no code implementations17 Jun 2022 Pascal Mattia Esser, Frank Nielsen

A common way to learn and analyze statistical models is to consider operations in the model parameter space.

Learning Theory Can (Sometimes) Explain Generalisation in Graph Neural Networks

no code implementations NeurIPS 2021 Pascal Mattia Esser, Leena Chennuru Vankadara, Debarghya Ghoshdastidar

While VC Dimension does result in trivial generalisation error bounds in this setting as well, we show that transductive Rademacher complexity can explain the generalisation properties of graph convolutional networks for stochastic block models.

Learning Theory Node Classification

Towards Modeling and Resolving Singular Parameter Spaces using Stratifolds

no code implementations7 Dec 2021 Pascal Mattia Esser, Frank Nielsen

We empirically show that using (natural) gradient descent on the smooth manifold approximation instead of the singular space allows us to avoid the attractor behavior and therefore improve the convergence speed in learning.

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