Bipartite Maximum-Weight Matching: Difference between revisions

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== Parameters ==  
== Parameters ==  


n: number of vertices
$n$: number of vertices


m: number of edges
$m$: number of edges


N: largest weight magnitude
$N$: largest weight magnitude


== Table of Algorithms ==  
== Table of Algorithms ==  
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| [[Hungarian algorithm (Bipartite Maximum-Weight Matching Maximum-Weight Matching)|Hungarian algorithm]] || 1955 || $O(n^{4})$ || $O(n^{2})$ || Exact || Deterministic || [https://web.eecs.umich.edu/~pettie/matching/Kuhn-hungarian-assignment.pdf Time]
| [[Hungarian algorithm (Bipartite Maximum-Weight Matching Maximum-Weight Matching)|Hungarian algorithm]] || 1955 || $O(n^{4})$ || $O(n^{2})$ || Exact || Deterministic || [https://web.eecs.umich.edu/~pettie/matching/Kuhn-hungarian-assignment.pdf Time]
|-
|-
| [[Micali; Vazirani ( Maximum-Weight Matching)|Micali; Vazirani]] || 1980 || $O(n^{3} logn)$ ||  || Exact || Deterministic || [https://ieeexplore.ieee.org/document/4567800 Time]
| [[Micali; Vazirani ( Maximum-Weight Matching)|Micali; Vazirani]] || 1980 || $O(n^{3} \log n)$ ||  || Exact || Deterministic || [https://ieeexplore.ieee.org/document/4567800 Time]
|-
|-
| [[Mucha and Sankowski ( Maximum-Weight Matching)|Mucha and Sankowski]] || 2004 || $O(n^{3})$ ||  || Exact || Deterministic || [https://dl.acm.org/doi/10.1109/FOCS.2004.40 Time]
| [[Mucha and Sankowski ( Maximum-Weight Matching)|Mucha and Sankowski]] || 2004 || $O(n^{3})$ ||  || Exact || Deterministic || [https://dl.acm.org/doi/10.1109/FOCS.2004.40 Time]
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== Time Complexity graph ==  
== Time Complexity Graph ==  


[[File:Maximum-Weight Matching - Bipartite Maximum-Weight Matching - Time.png|1000px]]
[[File:Maximum-Weight Matching - Bipartite Maximum-Weight Matching - Time.png|1000px]]
== Space Complexity graph ==
[[File:Maximum-Weight Matching - Bipartite Maximum-Weight Matching - Space.png|1000px]]
== Pareto Decades graph ==
[[File:Maximum-Weight Matching - Bipartite Maximum-Weight Matching - Pareto Frontier.png|1000px]]

Latest revision as of 10:08, 28 April 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 must be bipartite.

Related Problems

Generalizations: 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
Micali; Vazirani 1980 $O(n^{3} \log n)$ Exact Deterministic Time
Mucha and Sankowski 2004 $O(n^{3})$ Exact Deterministic Time

Time Complexity Graph

Maximum-Weight Matching - Bipartite Maximum-Weight Matching - Time.png