Crossing Numbers of Beyond-Planar Graphs Revisited

Graph drawing beyond planarity focuses on drawings of high visual quality for non-planar graphs which are characterized by certain forbidden edge configurations. A natural criterion for the quality of a drawing is the number of edge crossings. The question then arises whether beyond-planar drawings...

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Bibliographic Details
Published inarXiv.org
Main Authors Nathan van Beusekom, Parada, Irene, Speckmann, Bettina
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 26.05.2021
Subjects
Configurations
Graphs
Questions
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Summary:Graph drawing beyond planarity focuses on drawings of high visual quality for non-planar graphs which are characterized by certain forbidden edge configurations. A natural criterion for the quality of a drawing is the number of edge crossings. The question then arises whether beyond-planar drawings have a significantly larger crossing number than unrestricted drawings. Chimani et al. [GD'19] gave bounds for the ratio between the crossing number of three classes of beyond-planar graphs and the unrestricted crossing number. In this paper we extend their results to the main currently known classes of beyond-planar graphs characterized by forbidden edge configurations and answer several of their open questions.
ISSN:2331-8422