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One-Bend Drawings of Outerplanar Graphs Inside Simple Polygons

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arxiv 2108.12321 v1 pith:KUHHZW7W submitted 2021-08-27 cs.CG

classification cs.CG
keywords drawingouterplanarsimplealreadybendcasecomputeconsider
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We consider the problem of drawing an outerplanar graph with $n$ vertices with at most one bend per edge if the outer face is already drawn as a simple polygon. We prove that it can be decided in $O(nm)$ time if such a drawing exists, where $m\le n-3$ is the number of interior edges. In the positive case, we can also compute such a drawing.

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