## Abstract We present an algorithm that determines in polytime whether a graph contains an even hole. The algorithm is based on a decomposition theorem for even‐hole‐free graphs obtained in Part I of this work. We also give a polytime algorithm to find an even hole in a graph when one exists. © 20
Even-hole-free graphs part I: Decomposition theorem
✍ Scribed by Michele Conforti; Gérard Cornuéjols; Ajai Kapoor; Kristina Vušković
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 430 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0364-9024
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✦ Synopsis
Abstract
We prove a decomposition theorem for even‐hole‐free graphs. The decompositions used are 2‐joins and star, double‐star and triple‐star cutsets. This theorem is used in the second part of this paper to obtain a polytime recognition algorithm for even‐hole‐free graphs. © 2002 John Wiley & Sons, Inc. J Graph Theory 39: 6–49, 2002
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