The face-subgraph characterization conjecture for compact visibility graphs
The face-subgraph characterization conjecture for compact visibility graphs
Let be a planar graph. For each internal face in a plane drawing of , let denote the subgraph induced by the vertices incident with . Compact visibility conjecture. The graph is a compact visibility graph if and only if it has a plane drawing such that, for every internal face , the graph is a compact visibility graph.
This would characterize compact visibility graphs through the compact visibility of the subgraphs induced by the boundaries of internal faces. The statement is motivated by the failure of the analogous characterization using only triangular internal faces, since is a compact visibility graph but has no plane drawing with all internal faces triangular for .
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Sources & referencesView supporting material
Primary source
Mike Develin, Stephen Hartke and David Petrie Moulton, “A general notion of visiblity graphs”, arXiv:math/0211183 (2002).
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