The smallest non-Hamiltonian 3-connected cubic planar graphs have 38 vertices
Journal of Combinatorial Theory Series B
A Polynomial Bound for Untangling Geometric Planar Graphs
Discrete & Computational Geometry
Discrete & Computational Geometry
Untangling Polygons and Graphs
Discrete & Computational Geometry
Untangling planar graphs from a specified vertex position-Hard cases
Discrete Applied Mathematics
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For every n∈ℕ, there is a straight-line drawing Dn of a planar graph on n vertices such that in any crossing-free straight-line drawing of the graph, at most O(n.4982) vertices lie at the same position as in Dn . This improves on an earlier bound of $O(\sqrt{n})$ by Goaoc et al. [6].