Exact matching: Algorithms and related problems

NE Maalouly - arxiv preprint arxiv:2203.13899, 2022 - arxiv.org
In 1982, Papadimitriou and Yannakakis introduced the Exact Matching (EM) problem where
given an edge colored graph, with colors red and blue, and an integer $ k $, the goal is to …

Exact matching in graphs of bounded independence number

NE Maalouly, R Steiner - arxiv preprint arxiv:2202.11988, 2022 - arxiv.org
In the Exact Matching Problem (EM), we are given a graph equipped with a fixed coloring of
its edges with two colors (red and blue), as well as a positive integer $ k $. The task is then …

Exact matching: Correct parity and FPT parameterized by independence number

N El Maalouly, R Steiner, L Wulf - … on Algorithms and …, 2023 - research-collection.ethz.ch
Given an integer k and a graph where every edge is colored either red or blue, the goal of
the exact matching problem is to find a perfect matching with the property that exactly k of its …

Exact perfect matching in complete graphs

R Gurjar, A Korwar, J Messner, T Thierauf - ACM Transactions on …, 2017 - dl.acm.org
A red-blue graph is a graph where every edge is colored either red or blue. The exact
perfect matching problem asks for a perfect matching in a red-blue graph that has exactly a …

On the exact matching problem in dense graphs

NE Maalouly, S Haslebacher, L Wulf - arxiv preprint arxiv:2401.03924, 2024 - arxiv.org
In the Exact Matching problem, we are given a graph whose edges are colored red or blue
and the task is to decide for a given integer k, if there is a perfect matching with exactly k red …

The Team Order Problem: Maximizing the Probability of Matching Being Large Enough

H Aziz, J Gan, G Lisowski, A Pourmiri - International Symposium on …, 2024 - Springer
We consider a matching problem, which is meaningful in team competitions, as well as in
information theory, recommender systems, and assignment problems. In the competitions …

Verifying the product of generalized Boolean matrix multiplication and its applications to detect small subgraphs

WK Hon, MT Tsai, HL Wang - Algorithms and Data Structures Symposium, 2023 - Springer
Given three n by n integer matrices A, B, and P, determining whether the product AB equals
P can be done in randomized O (n 2) time by Freivalds' algorithm. In this paper, we consider …

An FPT Algorithm for the Exact Matching Problem and NP-hardness of Related Problems

H Murakami, Y Yamaguchi - IEICE Transactions on Information and …, 2024 - jstage.jst.go.jp
The exact matching problem is a constrained variant of the maximum matching problem:
given a graph with each edge having a weight 0 or 1 and an integer 𝑘, the goal is to find a …

[PDF][PDF] Towards a Deterministic Polynomial Time Algorithm for the Exact Matching Problem

N El Maalouly - 2024 - research-collection.ethz.ch
This thesis deals with graph problems that are solvable in randomized polynomial time but
no deterministic algorithm exists for them. The central problem we focus on is the Exact …

An algebraic monte-carlo algorithm for the partition adjacency matrix realization problem

E Czabarka, L Székely, Z Toroczkai, S Walker - Algebraic Statistics, 2021 - msp.org
The graphical realization of a given degree sequence and given partition adjacency matrix
simultaneously, is a relevant problem in data driven modeling of networks. Here we …