Nonlinear Sheaf Diffusion in Graph Neural Networks
Olga Zaghen
This work focuses on exploring the potential benefits of introducing a
nonlinear Laplacian in Sheaf Neural Networks for graph-related tasks. The
primary aim is to understand the impact of such nonlinearity on diffusion
dynamics, signal propagation, and performance of neural network architectures
in discrete-time settings. The study primarily emphasizes experimental
analysis, using real-world and synthetic datasets to validate the practical
effectiveness of different versions of the model. This approach shifts the
focus from an initial theoretical exploration to demonstrating the practical
utility of the proposed model.