Extremal cuts of sparse random graphs

A Dembo, A Montanari, S Sen - 2017 - projecteuclid.org
For Erdős–Rényi random graphs with average degree γ, and uniformly random γ-regular
graph on n vertices, we prove that with high probability the size of both the Max-Cut and …

Experimental performance of graph neural networks on random instances of max-cut

W Yao, AS Bandeira, S Villar - Wavelets and Sparsity XVIII, 2019 - spiedigitallibrary.org
This note explores the applicability of unsupervised machine learning techniques towards
hard optimization problems on random inputs. In particular we consider Graph Neural …

Collective dynamics in sparse networks

S Luccioli, S Olmi, A Politi, A Torcini - Physical review letters, 2012 - APS
The microscopic and macroscopic dynamics of random networks is investigated in the
strong-dilution limit (ie, for sparse networks). By simulating chaotic maps, Stuart-Landau …

Tree decompositions and social graphs

AB Adcock, BD Sullivan, MW Mahoney - Internet Mathematics, 2016 - Taylor & Francis
Recent work has established that large informatics graphs such as social and information
networks have non-trivial tree-like structure when viewed at moderate size scales. Here, we …

A conjecture on the maximum cut and bisection width in random regular graphs

L Zdeborová, S Boettcher - Journal of Statistical Mechanics …, 2010 - iopscience.iop.org
The asymptotic properties of random regular graphs are objects of extensive study in
mathematics and physics. In this paper we argue, using the theory of spin glasses in …

Computational thresholds for the fixed-magnetization Ising model

C Carlson, E Davies, A Kolla, W Perkins - Proceedings of the 54th …, 2022 - dl.acm.org
The ferromagnetic Ising model is a model of a magnetic material and a central topic in
statistical physics. It also plays a starring role in the algorithmic study of approximate …

Belief propagation for graph partitioning

P Šulc, L Zdeborová - Journal of Physics A: Mathematical and …, 2010 - iopscience.iop.org
We study the belief-propagation algorithm for the graph bi-partitioning problem, ie the
ground state of the ferromagnetic Ising model at a fixed magnetization. Application of a …

Simulations of ground state fluctuations in mean-field Ising spin glasses

S Boettcher - Journal of Statistical Mechanics: Theory and …, 2010 - iopscience.iop.org
The scaling of fluctuations in the distribution of ground state energies or costs with the
system size N for Ising spin glasses is considered using an extensive set of simulations with …

Numerical results for spin glass ground states on Bethe lattices: Gaussian bonds

S Boettcher - The European Physical Journal B, 2010 - Springer
The average ground state energies for spin glasses on Bethe lattices of connectivities r=
3,..., 15 are studied numerically for a Gaussian bond distribution. The Extremal Optimization …

A parametric worst-case approach to fairness in cooperative games with transferable utility

G Istrate, C Bonchiş - Theoretical Computer Science, 2023 - Elsevier
We study worst-case fairness in resource allocation and cooperative games with
transferable utility, the stable division most dissimilar to a normative standard of fairness …