A Fully Dynamic Graph Algorithm for Recognizing Proper Interval Graphs

  • Authors:
  • Louis Ibarra

  • Affiliations:
  • School of Computing, DePaul University, Chicago, U.S.A.

  • Venue:
  • WALCOM '09 Proceedings of the 3rd International Workshop on Algorithms and Computation
  • Year:
  • 2009

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Abstract

We present a fully dynamic graph algorithm to recognize proper interval graphs that runs in O (logn ) worst case time per edge update, where n is the number of vertices in the graph. The algorithm also maintains the connected components and supports connectivity queries in O (logn ) time.