On bounds for the k-partitioning of graphs

  • Authors:
  • S. L. Bezrukov;R. Elsässer;U.-P. Schroeder

  • Affiliations:
  • Department of Mathematics and Computer Science, University of Wisconsin - Superior, Superior, WI;Department of Mathematics and Computer Science, University of Paderborn, Paderborn, Germany;Department of Mathematics and Computer Science, University of Paderborn, Paderborn, Germany

  • Venue:
  • COCOON'99 Proceedings of the 5th annual international conference on Computing and combinatorics
  • Year:
  • 1999

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Abstract

Let an edge cut partition the vertex set of a graph into k disjoint subsets A1, ..., Ak with ||Ai|-|Aj|| ≤ 1. We consider the problem of determining the minimal size of such a cut for a given graph. For this we introduce a new lower bound method which is based on the solution of an extremal set problem and present bounds for some graph classes based on Hamming graphs.