Davenport-Schnizel theory of matrices
Discrete Mathematics
Topological graphs with no self-intersecting cycle of length 4
Proceedings of the nineteenth annual symposium on Computational geometry
Extremal Graph Theory
On edges crossing few other edges in simple topological complete graphs
GD'05 Proceedings of the 13th international conference on Graph Drawing
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Let G be a geometric graph with n vertices, i.e., a graph drawn in the plane with straight-line edges. It is shown that if G has no self-intersecting path of length 3, then its number of edges is O(n log n). This result is asymptotically tight. Analogous questions for longer forbidden paths and for graphs drawn by not necessarily straight-line edges are also considered.