Topological relational learning on graphs
Graph neural networks (GNNs) have emerged as a powerful tool for graph classification and
representation learning. However, GNNs tend to suffer from over-smoothing problems and …
representation learning. However, GNNs tend to suffer from over-smoothing problems and …
A literature survey of matrix methods for data science
M Stoll - GAMM‐Mitteilungen, 2020 - Wiley Online Library
Efficient numerical linear algebra is a core ingredient in many applications across almost all
scientific and industrial disciplines. With this survey we want to illustrate that numerical linear …
scientific and industrial disciplines. With this survey we want to illustrate that numerical linear …
Power up! robust graph convolutional network via graph powering
Graph convolutional networks (GCNs) are powerful tools for graph-structured data.
However, they have been recently shown to be vulnerable to topological attacks. To …
However, they have been recently shown to be vulnerable to topological attacks. To …
Spectral clustering in the Gaussian mixture block model
S Li, T Schramm - arXiv preprint arXiv:2305.00979, 2023 - arxiv.org
Gaussian mixture block models are distributions over graphs that strive to model modern
networks: to generate a graph from such a model, we associate each vertex $ i $ with a …
networks: to generate a graph from such a model, we associate each vertex $ i $ with a …
Sparse random hypergraphs: Non-backtracking spectra and community detection
We consider the community detection problem in a sparse-uniform hypergraph, assuming
that is generated according to the Hypergraph Stochastic Block Model (HSBM). We prove …
that is generated according to the Hypergraph Stochastic Block Model (HSBM). We prove …
Local statistics, semidefinite programming, and community detection
We propose a new, efficiently solvable hierarchy of semidefinite programming relaxations for
inference problems. As test cases, we consider the problem of community detection in block …
inference problems. As test cases, we consider the problem of community detection in block …
Community detection in the sparse hypergraph stochastic block model
We consider the community detection problem in sparse random hypergraphs. Angelini et
al. in [6] conjectured the existence of a sharp threshold on model parameters for community …
al. in [6] conjectured the existence of a sharp threshold on model parameters for community …
Reaching kesten-stigum threshold in the stochastic block model under node corruptions
We study robust community detection in the context of node-corrupted stochastic block
model, where an adversary can arbitrarily modify all the edges incident to a fraction of the n …
model, where an adversary can arbitrarily modify all the edges incident to a fraction of the n …
Sparse hypergraph community detection thresholds in stochastic block model
Community detection in random graphs or hypergraphs is an interesting fundamental
problem in statistics, machine learning and computer vision. When the hypergraphs are …
problem in statistics, machine learning and computer vision. When the hypergraphs are …
Robustness of spectral methods for community detection
L Stephan, L Massoulié - Conference on Learning Theory, 2019 - proceedings.mlr.press
The present work is concerned with community detection. Specifically, we consider a
random graph drawn according to the stochastic block model: its vertex set is partitioned into …
random graph drawn according to the stochastic block model: its vertex set is partitioned into …