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2015 | OriginalPaper | Chapter

A Universal Point Set for 2-Outerplanar Graphs

Authors : Patrizio Angelini, Till Bruckdorfer, Michael Kaufmann, Tamara Mchedlidze

Published in: Graph Drawing and Network Visualization

Publisher: Springer International Publishing

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Abstract

A point set \(S \subseteq \mathbb {R}^2\) is universal for a class \(\mathcal G\) if every graph of \(\mathcal{G}\) has a planar straight-line embedding on S. It is well-known that the integer grid is a quadratic-size universal point set for planar graphs, while the existence of a sub-quadratic universal point set for them is one of the most fascinating open problems in Graph Drawing. Motivated by the fact that outerplanarity is a key property for the existence of small universal point sets, we study 2-outerplanar graphs and provide for them a universal point set of size \(O(n \log n)\).

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Footnotes
1
The distribution of the points into dense and sparse portions of the point set is inspired by [1].
 
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Metadata
Title
A Universal Point Set for 2-Outerplanar Graphs
Authors
Patrizio Angelini
Till Bruckdorfer
Michael Kaufmann
Tamara Mchedlidze
Copyright Year
2015
DOI
https://doi.org/10.1007/978-3-319-27261-0_34

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