Maximum-Weight Matching: Difference between revisions

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[[File:Maximum-Weight Matching - Space.png|1000px]]
[[File:Maximum-Weight Matching - Space.png|1000px]]


== Pareto Frontier Improvements Graph ==  
== Space-Time Tradeoff Improvements ==  


[[File:Maximum-Weight Matching - Pareto Frontier.png|1000px]]
[[File:Maximum-Weight Matching - Pareto Frontier.png|1000px]]

Revision as of 14:36, 15 February 2023

Description

In computer science, the maximum weight matching problem is the problem of finding, in a weighted graph, a matching in which the sum of weights is maximized. Here, the graph is unrestricted; i.e. can be any general graph.

Related Problems

Subproblem: Bipartite Maximum-Weight Matching

Parameters

n: number of vertices

m: number of edges

N: largest weight magnitude

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Hungarian algorithm 1955 $O(n^{4})$ $O(n^{2})$ Exact Deterministic Time
Edmonds 1965 $O(mn^{2})$ $O(mn^{2})$?? Exact Deterministic Time
Micali; Vazirani 1980 $O(n^{3} logn)$ Exact Deterministic Time
Mucha and Sankowski 2004 $O(n^{3})$ Exact Deterministic Time

Time Complexity Graph

Maximum-Weight Matching - Time.png

Space Complexity Graph

Maximum-Weight Matching - Space.png

Space-Time Tradeoff Improvements

Maximum-Weight Matching - Pareto Frontier.png