research
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06/08/2022
The number of small-degree vertices in matchstick graphs
A matchstick graph is a crossing-free unit-distance graph in the plane. ...
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08/17/2021
Bounding the number of edges of matchstick graphs
We show that a matchstick graph with n vertices has no more than 3n-c√(n...
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07/19/2019
Favourite distances in 3-space
Let S be a set of n points in Euclidean 3-space. Assign to each x∈ S a d...
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03/17/2019
