A tight amortized bound for path reversal

David Ginat, Daniel D. Sleator, Robert E. Tarjan

Research output: Contribution to journalArticlepeer-review


Path reversal is a form of path compression used in a disjoint set union algorithm and a mutual exclusion algorithm. We derive a tight upper bound on the amortized cost of path reversal.

Original languageEnglish
Pages (from-to)3-5
Number of pages3
JournalInformation Processing Letters
Issue number1
StatePublished - 12 Apr 1989
Externally publishedYes


  • Analysis of algorithms
  • amortized efficiency
  • data structures
  • disjoint set union
  • path compression


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