Combinatorial optimization | Matching (graph theory)

Hungarian algorithm

The Hungarian method is a combinatorial optimization algorithm that solves the assignment problem in polynomial time and which anticipated later primal–dual methods. It was developed and published in 1955 by Harold Kuhn, who gave the name "Hungarian method" because the algorithm was largely based on the earlier works of two Hungarian mathematicians: Dénes Kőnig and Jenő Egerváry. James Munkres reviewed the algorithm in 1957 and observed that it is (strongly) polynomial. Since then the algorithm has been known also as the Kuhn–Munkres algorithm or Munkres assignment algorithm. The time complexity of the original algorithm was , however Edmonds and Karp, and independently Tomizawa noticed that it can be modified to achieve an running time. One of the most popular variants is the Jonker–Volgenant algorithm. Ford and Fulkerson extended the method to general maximum flow problems in form of the Ford–Fulkerson algorithm. In 2006, it was discovered that Carl Gustav Jacobi had solved the assignment problem in the 19th century, and the solution had been published posthumously in 1890 in Latin. (Wikipedia).

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Related pages

Combinatorial optimization | Ford–Fulkerson algorithm | Time complexity | Complete bipartite graph | Dénes Kőnig | Duality (optimization) | Assignment problem | Computational complexity theory | Perfect matching | Trace (linear algebra) | Glossary of graph theory | Matrix (mathematics) | Algorithm | Breadth-first search