39 citations · 73 across the 20 of their papers we have counts for
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math.CO2019
On the gonality of Cartesian products of graphs
Ivan Aidun, Ralph Morrison
In this paper we study Cartesian products of graphs and their divisorial gonality, which is a tropical version of the gonality of an algebraic curve. We present an upper bound on t…
math.CO2019
The smallest art gallery not guarded by every third vertex
Ralph Morrison
A polygonal art gallery can be observed by guards placed at one third of its corners. However, the strategy of placing guards at every third corner does not work for all art galler…