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Graphs of interval count two with a given partition

✍ Scribed by Joos, Felix; Löwenstein, Christian; de S. Oliveira, Fabiano; Rautenbach, Dieter; Szwarcfiter, Jayme L.


Book ID
121817101
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
207 KB
Volume
114
Category
Article
ISSN
0020-0190

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The interval number of a graph G, denoted i(G), is the least positive integer t such that G is the intersection graph of sets, each of which is the union of t compact real intervals. It is known that every planar graph has interval number at most 3 and that this result is best possible. We investiga