R-Domination in Graphs

  • Authors:
  • Peter J. Slater

  • Affiliations:
  • Applied Mathematics Division 5121, Sandia Laboratories, Albuquerque, NM

  • Venue:
  • Journal of the ACM (JACM)
  • Year:
  • 1976

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Abstract

The problem of finding a minimum k-basis of graph G is that of selecting as small a set B of vertices as possible such that every vertex of G is at distance k or less from some vertex in B. Cockayne, Goodman, and Hedetniemi previously developed a linear algorithm to find a minimum 1-basis (a minimum dominating set) when G is a tree. In this paper the k-basis problem is placed in a more general setting, and a linear algorithm is presented that solves the problem for any forest.