Planar Graphs Have 1-string Representations
Abstract
We prove that every planar graph is an intersection graph of strings in the plane such that any two strings intersect at most once.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00433091
Submitted on : Wednesday, November 18, 2009-10:34:47 AM
Last modification on : Monday, April 15, 2024-6:14:03 PM