A polynomial time algorithm for the cutwidth of bounded degree graphs with small treewidth

Dimitrios M. Thilikos, Maria J. Serna, Hans L. Bodlaender

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The cutwidth of a graph G is defined as the smallest integer k such that the vertices of G can be arranged in a vertex ordering [υ1,. .., υn] in a way that, for every i = 1,. .., n − 1, there are at most k edges with the one endpoint in {υ1,. .., υi} and the other in {υi+1,. .., υn}. We examine the problem of computing in polynomial time the cutwidth of a partial w-tree with bounded degree. In particular, we show how to construct an algorithm that, in (formula presented) steps, computes the cutwidth of any partial w-tree with vertices of degree bounded by a fixed constant d. Our algorithm is constructive in the sense that it can be adapted to output the corresponding optimal vertex ordering. Also, it is the main subroutine of an algorithm computing the pathwidth of a bounded degree partial w-tree in (formula presented) steps.

Original languageEnglish (US)
Title of host publicationAlgorithms - ESA 2001 - 9th Annual European Symposium, Proceedings
EditorsFriedhelm Meyer auf der Heide
PublisherSpringer Verlag
Pages380-390
Number of pages11
ISBN (Print)9783540424932
DOIs
StatePublished - 2001
Event9th Annual European Symposium on Algorithms, ESA 2001 - Arhus, Denmark
Duration: Aug 28 2001Aug 31 2001

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume2161
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference9th Annual European Symposium on Algorithms, ESA 2001
Country/TerritoryDenmark
CityArhus
Period8/28/018/31/01

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science

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