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Maximum weight matching information


In computer science and graph theory, the maximum weight matching problem is the problem of finding, in a weighted graph, a matching in which the sum of weights is maximized.

A special case of it is the assignment problem, in which the input is restricted to be a bipartite graph, and the matching constrained to be have cardinality that of the smaller of the two partitions. Another special case is the problem of finding a maximum cardinality matching on an unweighted graph: this corresponds to the case where all edge weights are the same.

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Maximum weight matching

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graph theory, the maximum weight matching problem is the problem of finding, in a weighted graph, a matching in which the sum of weights is maximized. A...

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Maximum cardinality matching

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Maximum cardinality matching is a fundamental problem in graph theory. We are given a graph G, and the goal is to find a matching containing as many edges...

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Assignment problem

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problem, of finding a matching in a weighted graph where the sum of weights is maximized, is called the maximum weight matching problem. Another generalization...

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Optimal kidney exchange

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exchange in G corresponds to a maximum-weight matching in H. Note that the weights guarantee that every maximum-weight matching in H is perfect, so that every...

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Matroid intersection

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problems in combinatorial optimization including finding maximum matchings and maximum weight matchings in bipartite graphs and finding arborescences in directed...

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Bipartite graph

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algorithmic problems on matchings, including maximum matching (finding a matching that uses as many edges as possible), maximum weight matching, and stable marriage...

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Auction algorithm

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assignment that maximizes the net benefit in a bipartite graph, the maximum weight matching problem (MWM). This algorithm was first proposed by Dimitri Bertsekas...

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Blossom algorithm

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graph theory, the blossom algorithm is an algorithm for constructing maximum matchings on graphs. The algorithm was developed by Jack Edmonds in 1961, and...

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Assignment valuation

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- since the maximum-weight matching assigns x to George. v ( { y } ) = 3 {\displaystyle v(\{y\})=3} - since the maximum-weight matching assigns y to...

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Maximum flow problem

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the maximum flow in N {\displaystyle N} is equal to the size of the maximum matching in G {\displaystyle G} , and a maximum cardinality matching can be...

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Marriage problem

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problem may refer to: Assignment problem, consisting of finding a maximum weight matching in a weighted bipartite graph Secretary problem, also called the...

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Fractional matching

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a maximum-weight fractional matching to a maximum-weight integral matching of the same size, in the following way: Let f be the fractional matching. Let...

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Stable marriage problem

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assignment problem seeks to find a matching in a weighted bipartite graph that has maximum weight. Maximum weighted matchings do not have to be stable, but...

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Lattice of stable matchings

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time solutions for other problems on stable matching including the minimum or maximum weight stable matching. The Gale–Shapley algorithm can be used to...

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Secretary problem

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is as big as possible. This problem is identical to finding a maximum-weight matching in an edge-weighted bipartite graph where the n {\displaystyle...

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Matching in hypergraphs

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is a perfect fractional matching with weights {1/2, 1/2, 1/2, 1/2, 1}. The problem of finding a maximum-cardinality matching in a hypergraph, thus calculating...

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Matching polytope

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represents matching of size 2, which is a maximum matching. Note that in this case all corners have integer coordinates. The integral matching polytope...

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House allocation problem

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allocation maximizing the sum of utilities is equivalent to finding a maximum-weight matching in a weighted bipartite graph; it is also called the assignment...

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Learning augmented algorithm

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augmented algorithms are known for: The ski rental problem The maximum weight matching problem The weighted paging problem Machine learning Mitzenmacher...

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Glossary of graph theory

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vertices. A larger matching can be found as the symmetric difference of the matching and the augmenting path; a matching is maximum if and only if it has...

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Minimum spanning tree

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the single-terminal case to the maximum flow problem), and approximating the minimum-cost weighted perfect matching. Other practical applications based...

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Propensity score matching

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Stratification matching Difference-in-differences matching (kernel and local linear weights) Exact matching 3. Check that covariates are balanced across treatment...

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