### Parameterized Complexity of 1-Planarity [chapter]

Michael J. Bannister, Sergio Cabello, David Eppstein
<span title="">2013</span> <i title="Springer Berlin Heidelberg"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a> </i> &nbsp;
What is 1-planarity? A graph is 1-planar if it can be drawn in the plane (vertices as points, edges as curves disjoint from non-incident vertices) so that each edge is crossed at most once (in one point, by one edge) E.g. K 2,7 is planar, K 3,6 is 1-planar, and K 4,5 is not 1-planar [Czap and Hudák 2012]
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