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Faster exact solution of sparse MaxCut and QUBO problems
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 …
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
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 …
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 …
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
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 …
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
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 …
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 …
randomized algorithm for finding local Max-Cut in graphs by using fuzzy logic. This paper …
Edge expansion of a graph: SDP-based computational strategies
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 …
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
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 …
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 …
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 …
largest subset of pairwise non-adjacent vertices. This value is called the stability number of …