Community detection and stochastic block models: recent developments

E Abbe - Journal of Machine Learning Research, 2018 - jmlr.org
The stochastic block model (SBM) is a random graph model with planted clusters. It is widely
employed as a canonical model to study clustering and community detection, and provides …

Graph summarization methods and applications: A survey

Y Liu, T Safavi, A Dighe, D Koutra - ACM computing surveys (CSUR), 2018 - dl.acm.org
While advances in computing resources have made processing enormous amounts of data
possible, human ability to identify patterns in such data has not scaled accordingly. Efficient …

Understanding oversquashing in gnns through the lens of effective resistance

M Black, Z Wan, A Nayyeri… - … Conference on Machine …, 2023 - proceedings.mlr.press
Message passing graph neural networks (GNNs) are a popular learning architectures for
graph-structured data. However, one problem GNNs experience is oversquashing, where a …

Randomized numerical linear algebra: Foundations and algorithms

PG Martinsson, JA Tropp - Acta Numerica, 2020 - cambridge.org
This survey describes probabilistic algorithms for linear algebraic computations, such as
factorizing matrices and solving linear systems. It focuses on techniques that have a proven …

Variational quantum linear solver

C Bravo-Prieto, R LaRose, M Cerezo, Y Subasi… - Quantum, 2023 - quantum-journal.org
Previously proposed quantum algorithms for solving linear systems of equations cannot be
implemented in the near term due to the required circuit depth. Here, we propose a hybrid …

A note on over-smoothing for graph neural networks

C Cai, Y Wang - arxiv preprint arxiv:2006.13318, 2020 - arxiv.org
Graph Neural Networks (GNNs) have achieved a lot of success on graph-structured data.
However, it is observed that the performance of graph neural networks does not improve as …

Does graph distillation see like vision dataset counterpart?

B Yang, K Wang, Q Sun, C Ji, X Fu… - Advances in …, 2023 - proceedings.neurips.cc
Training on large-scale graphs has achieved remarkable results in graph representation
learning, but its cost and storage have attracted increasing concerns. Existing graph …

Dynamic edge-conditioned filters in convolutional neural networks on graphs

M Simonovsky, N Komodakis - Proceedings of the IEEE …, 2017 - openaccess.thecvf.com
A number of problems can be formulated as prediction on graph-structured data. In this
work, we generalize the convolution operator from regular grids to arbitrary graphs while …

Solving linear programs in the current matrix multiplication time

MB Cohen, YT Lee, Z Song - Journal of the ACM (JACM), 2021 - dl.acm.org
This article shows how to solve linear programs of the form min Ax= b, x≥ 0 c⊤ x with n
variables in time O*((n ω+ n 2.5− α/2+ n 2+ 1/6) log (n/δ)), where ω is the exponent of matrix …

Sketching as a tool for numerical linear algebra

DP Woodruff - … and Trends® in Theoretical Computer Science, 2014 - nowpublishers.com
This survey highlights the recent advances in algorithms for numerical linear algebra that
have come from the technique of linear sketching, whereby given a matrix, one first …