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- Title
Bounding the tripartite‐circle crossing number of complete tripartite graphs.
- Authors
Camacho, Charles; Fernández‐Merchant, Silvia; Jelić Milutinović, Marija; Kirsch, Rachel; Kleist, Linda; Matson, Elizabeth B.; White, Jennifer
- Abstract
A tripartite‐circle drawing of a tripartite graph is a drawing in the plane, where each part of a vertex partition is placed on one of three disjoint circles, and the edges do not cross the circles. We present upper and lower bounds on the minimum number of crossings in tripartite‐circle drawings of Km,n,p and the exact value for K2,2,n. In contrast to 1‐ and 2‐circle drawings, which may attain the Harary–Hill bound, our results imply that balanced restricted 3‐circle drawings of the complete graph are not optimal.
- Subjects
COMPLETE graphs; CIRCLE; CHARTS, diagrams, etc.
- Publication
Journal of Graph Theory, 2022, Vol 100, Issue 1, p5
- ISSN
0364-9024
- Publication type
Article
- DOI
10.1002/jgt.22763