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DOI: 10.7155/jgaa.00586
Crossing Numbers of Beyond-Planar Graphs Revisited
Vol. 26, no. 1, pp. 149-170, 2022. Regular paper.
Abstract Graph drawing beyond planarity focuses on drawings of high visual quality for non-planar graphs which are characterized by certain forbidden (edge) crossing 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.
This work is licensed under the terms of the CC-BY license.
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Submitted: October 2021.
Accepted: April 2022.
Final: June 2022.
Published: June 2022.
Communicated by
Antonios Symvonis
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