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math.CO2023
The Number of Edges in Maximal 2-planar Graphs
Michael Hoffmann, Meghana M. Reddy
A graph is -planar if it has local crossing number two, that is, it can be drawn in the plane such that every edge has at most two crossings. A graph is maximal -planar if no…
cs.CG2023
Drawings of Complete Multipartite Graphs Up to Triangle Flips
Oswin Aichholzer, Man-Kwun Chiu, Hung P. Hoang +5
For a drawing of a labeled graph, the rotation of a vertex or crossing is the cyclic order of its incident edges, represented by the labels of their other endpoints. The extended r…