A map graph is a contact graph of internally-disjoint regions of the plane, where the contact can be even a point. Namely, each vertex is represented by a simple connected region and two vertices are connected by an edge iff the corresponding regions touch.
CITATION STYLE
Angelini, P., Da Lozzo, G., Di Battista, G., Frati, F., Patrignani, M., & Rutter, I. (2015). On the relationship between map graphs and clique planar graphs. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9411, pp. 548–550). Springer Verlag. https://doi.org/10.1007/978-3-319-27261-0_46
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