Packing Steiner trees on four terminals

  • Authors:
  • Matthias Kriesell

  • Affiliations:
  • Math. Sem. d. Univ. Hamburg, Bundesstraíe 55, D-20146 Hamburg, Germany

  • Venue:
  • Journal of Combinatorial Theory Series B
  • Year:
  • 2010

Quantified Score

Hi-index 0.01

Visualization

Abstract

Let A be a set of vertices of some graph G. An A-tree is a subtree of G containing A, and A is called k-edge-connected in G if every set of less than k edges in G misses at least one A-tree. We prove that every @?3k2@?-edge-connected set A of four vertices in a graph admits a set of k edge disjoint A-trees. The bound @?3k2@? is best possible for all k1.