On Kuhn's Hungarian method - A tribute from Hungary

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Abstract

Harold W. Kuhn, in his celebrated paper entitled "The Hungarian Method for the assignment problem" [Naval Res Logist Quart 2 (1955), 83-97] described an algorithm for constructing a maximum weight perfect matching in a bipartite graph. In his delightful reminescences ["On the origin of the Hungarian method," History of mathematical programming - a collection of personal reminiscences, J.K. Lenstra, A.H.G. Rinnooy Kan, and A. Schrijver (Editors), CWI, Amsterdam and North-Holland, Amsterdam, 1991, pp. 77-81], Kuhn explained how the works (from 1931) of two Hungarian mathematicians, D. König and E. Egerváry, had contributed to the invention of his algorithm, the reason why he named it the Hungarian Method. (For citations from Kuhn's account as well as for other invaluable historical notes on the subject, see A. Schrijver's monumental book [Combinatorial optimization: Polyhedra and efficiency, Algorithms and Combinatories 24, Springer, New York, 2003].) In this note I wish to pay tribute to Professor H.W. Kuhn by exhibiting the exact relationship between his Hungarian Method and the achievements of König and Egerváry, and by outlining the fundamental influence of his algorithm on Combinatorial Optimization where it became the prototype of a great number of algorithms in areas such as network flows, matroids, and matching theory. And finally, as a Hungarian, I would also like to illustrate that not only did Kuhn make use of ideas of Hungarian mathematicians, but his extremely elegant method has had a great impact on the work of a next generation of Hungarian researchers.

Original languageEnglish
Pages (from-to)2-5
Number of pages4
JournalNaval Research Logistics
Volume52
Issue number1
DOIs
Publication statusPublished - Feb 1 2005

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Keywords

  • Efficient algorithms
  • Hungarian Method
  • Weighted bipartite matchings

ASJC Scopus subject areas

  • Modelling and Simulation
  • Ocean Engineering
  • Management Science and Operations Research

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