Weisfeiler and lehman go cellular: Cw networks

C Bodnar, F Frasca, N Otter, Y Wang… - Advances in neural …, 2021 - proceedings.neurips.cc
Abstract Graph Neural Networks (GNNs) are limited in their expressive power, struggle with
long-range interactions and lack a principled way to model higher-order structures. These …

Neural sheaf diffusion: A topological perspective on heterophily and oversmoothing in gnns

C Bodnar, F Di Giovanni… - Advances in …, 2022 - proceedings.neurips.cc
Cellular sheaves equip graphs with a``geometrical''structure by assigning vector spaces and
linear maps to nodes and edges. Graph Neural Networks (GNNs) implicitly assume a graph …

Sheaf hypergraph networks

I Duta, G Cassarà, F Silvestri… - Advances in Neural …, 2023 - proceedings.neurips.cc
Higher-order relations are widespread in nature, with numerous phenomena involving
complex interactions that extend beyond simple pairwise connections. As a result …

A category theory perspective on the Language of Thought: LoT is universal

S Phillips - Frontiers in Psychology, 2024 - frontiersin.org
The Language of Thought (LoT) hypothesis proposes that some collections of mental states
and processes are symbol systems to explain language-like systematic properties of …

Sheaf neural networks with connection laplacians

F Barbero, C Bodnar… - Topological …, 2022 - proceedings.mlr.press
Abstract A Sheaf Neural Network (SNN) is a type of Graph Neural Network (GNN) that
operates on a sheaf, an object that equips a graph with vector spaces over its nodes and …

From continuous dynamics to graph neural networks: Neural diffusion and beyond

A Han, D Shi, L Lin, J Gao - arxiv preprint arxiv:2310.10121, 2023 - arxiv.org
Graph neural networks (GNNs) have demonstrated significant promise in modelling
relational data and have been widely applied in various fields of interest. The key …

Dist2cycle: A simplicial neural network for homology localization

AD Keros, V Nanda, K Subr - Proceedings of the AAAI Conference on …, 2022 - ojs.aaai.org
Simplicial complexes can be viewed as high dimensional generalizations of graphs that
explicitly encode multi-way ordered relations between vertices at different resolutions, all at …

From latent graph to latent topology inference: Differentiable cell complex module

C Battiloro, I Spinelli, L Telyatnikov, M Bronstein… - arxiv preprint arxiv …, 2023 - arxiv.org
Latent Graph Inference (LGI) relaxed the reliance of Graph Neural Networks (GNNs) on a
given graph topology by dynamically learning it. However, most of LGI methods assume to …

Deep Learning and Geometric Deep Learning: An introduction for mathematicians and physicists

R Fioresi, F Zanchetta - … Journal of Geometric Methods in Modern …, 2023 - World Scientific
In this expository paper, we want to give a brief introduction, with few key references for
further reading, to the inner functioning of the new and successful algorithms of Deep …

Persistent Topological Laplacians--a Survey

X Wei, GW Wei - arxiv preprint arxiv:2312.07563, 2023 - arxiv.org
Persistent topological Laplacians constitute a new class of tools in topological data analysis
(TDA), motivated by the necessity to address challenges encountered in persistent …