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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.CO2021
Counting Hamiltonian cycles in 2-tiled graphs
Alen Vegi Kalamar, Tadej Žerak, Drago Bokal
In 1930, Kuratowski showed that and are the only two minor-minimal non-planar graphs. Robertson and Seymour extended finiteness of the set of forbidden minors for a…