Total domination excellent trees

  • Authors:
  • Michael A. Henning

  • Affiliations:
  • School of Mathematics, Statistics and Information Technology, University of Natal, Private Bay X01, Pietermaritzburg 3209, South Africa

  • Venue:
  • Discrete Mathematics
  • Year:
  • 2003

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Abstract

A set S of vertices in a graph G is a total dominating set of G if every vertex of G is adjacent to some vertex in S (other than itself). The graph G is called total domination excellent if every vertex belongs to some total dominating set of G of minimum cardinality. We provide a constructive characterization of total domination excellent trees.