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07/16/2023
Short edges and noncrossing paths in complete topological graphs
Let h(n) be the minimum integer such that every complete n-vertex simple...
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12/02/2022
Disjoint faces in simple drawings of the complete graph and topological Heilbronn problems
Given a complete simple topological graph G, a k-face generated by G is ...
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12/04/2021
Quasiplanar graphs, string graphs, and the Erdos-Gallai problem
An r-quasiplanar graph is a graph drawn in the plane with no r pairwise ...
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08/31/2021
A note on visible islands
Given a finite point set P in the plane, a subset S ⊆ P is called an isl...
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08/25/2021