Maintaining Center and Median in Dynamic Trees

  • Authors:
  • Stephen Alstrup;Jacob Holm;Mikkel Thorup

  • Affiliations:
  • -;-;-

  • Venue:
  • SWAT '00 Proceedings of the 7th Scandinavian Workshop on Algorithm Theory
  • Year:
  • 2000

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Abstract

We show how to maintain centers and medians for a collection of dynamic trees where edges may be inserted and deleted and node and edge weights may be changed. All updates are supported in O(log n) time, where n is the size of the tree(s) involved in the update.