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math.CO2023
The Gray graph is a unit-distance graph
Leah Wrenn Berman, Gábor Gévay, Tomaz Pisanski
In this note we give a construction proving that the Gray graph, which is the smallest cubic semi-symmetric graph, is a unit-distance graph.
math.CO2023
On a new (21_4) polycyclic configuration
Leah Wrenn Berman, Gábor Gévay, Tomaz Pisanski
When searching for small 4-configurations of points and lines, polycyclic configurations, in which every symmetry class of points and lines contains the same number of elements, ha…