Faster exact solution of sparse MaxCut and QUBO problems

D Rehfeldt, T Koch, Y Shinano - Mathematical Programming Computation, 2023 - Springer
The maximum-cut problem is one of the fundamental problems in combinatorial
optimization. With the advent of quantum computers, both the maximum-cut and the …

McSparse: Exact solutions of sparse maximum cut and sparse unconstrained binary quadratic optimization problems

J Charfreitag, M Jünger, S Mallach, P Mutzel - 2022 Proceedings of the …, 2022 - SIAM
Abstract While the Maximum Cut Problem and Unconstrained Binary Quadratic Optimization
are of high interest in the scientific community and gain increasing importance, state-of-the …

MADAM: a parallel exact solver for max-cut based on semidefinite programming and ADMM

T Hrga, J Povh - Computational Optimization and Applications, 2021 - Springer
We present MADAM, a parallel semidefinite-based exact solver for Max-Cut, a problem of
finding the cut with the maximum weight in a given graph. The algorithm uses the branch …

Solving QUBOs with a quantum-amenable branch and bound method

T Häner, KEC Booth, SE Borujeni, EY Zhu - arxiv preprint arxiv …, 2024 - arxiv.org
Due to the expected disparity in quantum vs. classical clock speeds, quantum advantage for
branch and bound algorithms is more likely achievable in settings involving large search …

[HTML][HTML] A large population island framework for the unconstrained binary quadratic problem

O Goudet, A Goëffon, JK Hao - Computers & Operations Research, 2024 - Elsevier
The unconstrained binary quadratic problem is an NP-hard problem and has applications in
many fields. Recently, the problem has attracted much interest in the field of quantum …

Finding local Max-Cut in graphs in randomized polynomial time

L Gao - Soft Computing, 2024 - Springer
A maximum cut (Max-Cut) problem in graph theory is NP-hard. This paper proposes a new
randomized algorithm for finding local Max-Cut in graphs by using fuzzy logic. This paper …

Edge expansion of a graph: SDP-based computational strategies

A Gupte, M Siebenhofer, A Wiegele - arxiv preprint arxiv:2403.04657, 2024 - arxiv.org
Computing the edge expansion of a graph is a famously hard combinatorial problem for
which there have been many approximation studies. We present two variants of exact …

[HTML][HTML] Solving the set covering problem with conflicts on sets: a new parallel GRASP

F Carrabs, R Cerulli, R Mansini, L Moreschini… - Computers & Operations …, 2024 - Elsevier
In this paper, we analyze a new variant of the well-known NP-hard Set Covering Problem,
characterized by pairwise conflicts among subsets of items. Two subsets in conflict can …

Solving SDP relaxations of Max-Cut problem with large number of hypermetric inequalities by L-BFGS-B

T Hrga, J Povh - Optimization Letters, 2023 - Springer
We present a computational study of SDP-based bounds for Max-Cut that use a subset of
hypermetric inequalities as cutting planes to strengthen the basic relaxation. Solving these …

Quantum computing and the stable set problem

A Krpan, J Povh, D Pucher - arxiv preprint arxiv:2405.12845, 2024 - arxiv.org
Given an undirected graph, the stable set problem asks to determine the cardinality of the
largest subset of pairwise non-adjacent vertices. This value is called the stability number of …