Large independent sets in random regular graphs

  • Authors:
  • William Duckworth;Michele Zito

  • Affiliations:
  • Mathematical Sciences Institute, Australian National University, Canberra, ACT 0200, Australia;Department of Computer Science, University of Liverpool, Liverpool L69 3BX, United Kingdom

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2009

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Abstract

We present algorithmic lower bounds on the size s"d of the largest independent sets of vertices in random d-regular graphs, for each fixed d=3. For instance, for d=3 we prove that, for graphs on n vertices, s"d=0.43475n with probability approaching one as n tends to infinity.