A new combinatorial branch-and-bound algorithm for the knapsack problem with conflicts

S Coniglio, F Furini, P San Segundo - European Journal of Operational …, 2021 - Elsevier
Abstract We study the Knapsack Problem with Conflicts, a generalization of the Knapsack
Problem in which a set of conflicts specifies pairs of items which cannot be simultaneously …

A Short Review on Novel Approaches for Maximum Clique Problem: from Classical algorithms to Graph Neural Networks and Quantum algorithms

R Marino, L Buffoni, B Zavalnij - arXiv preprint arXiv:2403.09742, 2024 - arxiv.org
This manuscript provides a comprehensive review of the Maximum Clique Problem, a
computational problem that involves finding subsets of vertices in a graph that are all …

A new exact maximum clique algorithm for large and massive sparse graphs

P San Segundo, A Lopez, PM Pardalos - Computers & Operations …, 2016 - Elsevier
This paper describes a new very efficient branch-and-bound exact maximum clique
algorithm BBMCSP, designed for large and massive sparse graphs which appear frequently …

Why is maximum clique often easy in practice?

JL Walteros, A Buchanan - Operations Research, 2020 - pubsonline.informs.org
To this day, the maximum clique problem remains a computationally challenging problem.
Indeed, despite researchers' best efforts, there exist unsolved benchmark instances with …

Efficient algorithms for finding maximum and maximal cliques and their applications

E Tomita - … and Computation: 11th International Conference and …, 2017 - Springer
The problem of finding a maximum clique or enumerating all maximal cliques is very
important and has been explored in several excellent survey papers. Here, we focus our …

The maximum clique interdiction problem

F Furini, I Ljubić, S Martin, P San Segundo - European Journal of …, 2019 - Elsevier
Given a graph G and an interdiction budget k, the Maximum Clique Interdiction Problem
asks to find a subset of at most k vertices to remove from G so that the size of the maximum …

A branch-and-cut algorithm for the edge interdiction clique problem

F Furini, I Ljubić, P San Segundo, Y Zhao - European Journal of …, 2021 - Elsevier
Given a graph G and an interdiction budget k∈ N, the Edge Interdiction Clique Problem
(EICP) asks to find a subset of at most k edges to remove from G so that the size of the …

[HTML][HTML] CliSAT: A new exact algorithm for hard maximum clique problems

P San Segundo, F Furini, D Álvarez… - European Journal of …, 2023 - Elsevier
Given a graph, the maximum clique problem (MCP) asks for determining a complete
subgraph with the largest possible number of vertices. We propose a new exact algorithm …

A new branch-and-bound algorithm for the maximum edge-weighted clique problem

P San Segundo, S Coniglio, F Furini, I Ljubić - European Journal of …, 2019 - Elsevier
We study the maximum edge-weighted clique problem, a problem related to the maximum
(vertex-weighted) clique problem which asks for finding a complete subgraph (ie, a clique) of …

Clique and constraint models for maximum common (connected) subgraph problems

C McCreesh, SN Ndiaye, P Prosser… - … Conference on Principles …, 2016 - Springer
The maximum common subgraph problem is to find the largest subgraph common to two
given graphs. This problem can be solved either by constraint-based search, or by reduction …