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Linear Algorithms for Finding the Jordan Center and Path Center of a Tree

Author

Listed:
  • S. Mitchell Hedetniemi

    (University of Oregon, Eugene, Oregon)

  • E. J. Cockayne

    (University of Victoria, Victoria, British Columbia)

  • S. T. Hedetniemi

    (University of Oregon, Eugene, Oregon)

Abstract

This paper contains linear algorithms for finding the Jordan center, the weighted Jordan center and the path center of a tree. All of these algorithms take advantage of an efficient data structure for representing a tree called a canonical recursive representation. As a result, the first two algorithms are different from and faster than similar algorithms in the literature. This paper also defines a new parameter of a graph called the path center, and shows that the path center of a tree T consists of a unique subpath of T .

Suggested Citation

  • S. Mitchell Hedetniemi & E. J. Cockayne & S. T. Hedetniemi, 1981. "Linear Algorithms for Finding the Jordan Center and Path Center of a Tree," Transportation Science, INFORMS, vol. 15(2), pages 98-114, May.
    • Handle: RePEc:inm:ortrsc:v:15:y:1981:i:2:p:98-114
    DOI: 10.1287/trsc.15.2.98
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    Citations

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    Cited by:

    1. Pascual Fernández & Blas Pelegrín & José Fernández, 1998. "Location of paths on trees with minimal eccentricity and superior section," TOP: An Official Journal of the Spanish Society of Statistics and Operations Research, Springer;Sociedad de Estadística e Investigación Operativa, vol. 6(2), pages 223-246, December.
    2. Marie Schmidt & Anita Schöbel, 2014. "Location of speed-up subnetworks," Annals of Operations Research, Springer, vol. 223(1), pages 379-401, December.
    3. Mehdi Zaferanieh & Jafar Fathali, 2012. "Finding a core of a tree with pos/neg weight," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 76(2), pages 147-160, October.
    4. Becker, Ronald I. & Lari, Isabella & Scozzari, Andrea, 2007. "Algorithms for central-median paths with bounded length on trees," European Journal of Operational Research, Elsevier, vol. 179(3), pages 1208-1220, June.
    5. Mark Rozanov & Arie Tamir, 2018. "The nestedness property of location problems on the line," TOP: An Official Journal of the Spanish Society of Statistics and Operations Research, Springer;Sociedad de Estadística e Investigación Operativa, vol. 26(2), pages 257-282, July.
    6. Mulder, H.M. & Pelsmajer, M.J. & Reid, K.B., 2006. "Generalized centrality in trees," Econometric Institute Research Papers EI 2006-16, Erasmus University Rotterdam, Erasmus School of Economics (ESE), Econometric Institute.
    7. Mehrdad Moshtagh & Jafar Fathali & James MacGregor Smith & Nezam Mahdavi-Amiri, 2019. "Finding an optimal core on a tree network with M/G/c/c state-dependent queues," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 89(1), pages 115-142, February.

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