3 papers
math.CO2022
New bounds on the existence of and configurations: the Grünbaum Calculus revisited
Leah Wrenn Berman, Gábor Gévay, Tomaž Pisanski
The "Grünbaum Incidence Calculus" is the common name of a collection of operations introduced by Branko Grünbaum to produce new configurations from various input configur…
math.CO2021
Eventually, geometric configurations exist for all
Leah Wrenn Berman, Gábor Gévay, Tomaž Pisanski
In a series of papers and in his 2009 book on configurations Branko Grünbaum described a sequence of operations to produce new configurations from various input configura…
math.CO2019
Point-ellipse and some other exotic configurations
Gábor Gévay, Nino Bašić, Jurij Kovič +1
In this paper we introduce point-ellipse configurations and point-conic configurations. We study some of their basic properties and describe two interesting families of balanced po…