Polynomial time algorithms for the MIN CUT problem on degree restricted trees

  • Authors:
  • Moon-Jung Chung;Fillia Makedon;Ivan Hal Sudborough;Jonathan Turner

  • Affiliations:
  • -;-;-;-

  • Venue:
  • SFCS '82 Proceedings of the 23rd Annual Symposium on Foundations of Computer Science
  • Year:
  • 1982

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Abstract

Polynomial algorithms are described that solve the MIN CUT LINEAR ARRANGEMENT problem on degree restricted trees. For example, the cutwidth or folding number of an arbitrary degree d tree can be found in O(n(logn)d-2) steps. This also yields an algorithm for determining the black/white pebble demand of degree three trees. A forbidden subgraph characterization is given for degree three trees having cutwidth k. This yields an interesting corollary: for degree three trees, cutwidth is identical to search number.