An Experimental Study of Polylogarithmic, Fully Dynamic, Connectivity Algorithms

  • Authors:
  • André Seznec;Nicolas Sendrier

  • Affiliations:
  • MIT;MIT;-;AT\'&T Research

  • Venue:
  • Journal of Experimental Algorithmics (JEA)
  • Year:
  • 2003

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Abstract

We present an experimental study of different variants of theamortized O(log2 n)-time fully-dynamicconnectivity algorithm of Holm, de Lichtenberg, and Thorup(STOC'98). The experiments build upon experiments provided byAlberts, Cattaneo, and Italiano (SODA'96) on the randomizedamortized O(log3 n) fully-dynamicconnectivity algorithm of Henzinger and King (STOC'95). Ourexperiments shed light upon similarities and differences betweenthe two algorithms. We also present a slightly modified version ofthe Henzinger-King algorithm that runs in O(log2n) time, which resulted from our experiments.