The edge-disjoint paths problem is NP-complete for series-parallel graphs

Takao Nishizeki, Jens Vygen, Xiao Zhou

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Many combinatorial problems are NP-complete for general graphs. However, when restricted to series-parallel graphs or partial k-trees, many of these problems can be solved in polynomial time, mostly in linear time. On the other hand, very few problems are known to be NP-complete for series-parallel graphs or partial k-trees. These include the subgraph isomorphism problem and the bandwidth problem. However, these problems are NP-complete even for trees. In this paper, we show that the edge-disjoint paths problem is NP-complete for series-parallel graphs and for partial 2-trees although the problem is trivial for trees and can be solved for outerplanar graphs in polynomial time.

Original languageEnglish
Pages (from-to)177-186
Number of pages10
JournalDiscrete Applied Mathematics
Volume115
Issue number1-3
DOIs
Publication statusPublished - 2001 Nov 15

ASJC Scopus subject areas

  • Discrete Mathematics and Combinatorics
  • Applied Mathematics

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