author: | Michel Habib, Christophe Paul and Laurent Viennot |
title: | Linear time recognition of P4-indifference graphs |
keywords: | P4-indifference, algorithm, recognition |
abstract: | A
graph is a P4-indifference graph if it
admits an ordering < on its vertices such that
every chordless path with vertices a, b,
c, d and edges ab, bc,
cd has a<b<c<d or
d<c<b<a. We present a linear time recognition for these graphs.
|
reference: |
Michel Habib, Christophe Paul and Laurent Viennot (2001),
Linear time recognition of P4-indifference graphs,
Discrete Mathematics and Theoretical Computer Science 4, pp. 173-178 |
ps.gz-source: | dm040209.ps.gz (23 K) |
ps-source: | dm040209.ps (65 K) |
pdf-source: | dm040209.pdf (60 K) |