3 papers
math.CO2023
A collection of open problems in celebration of Imre Leader's 60th birthday
Rahil Baber, Natalie Behague, Asier Calbet +10
One of the great pleasures of working with Imre Leader is to experience his infectious delight on encountering a compelling combinatorial problem. This collection of open problems…
math.CO2022
Separating Path Systems for the Complete Graph
Belinda Wickes
For any graph , a separating path system of is a family of paths in with the property that for any pair of edges in there is at least one path in the family that…
math.CO2021
Shattering -sets with Permutations
J. Robert Johnson, Belinda Wickes
Many concepts from extremal set theory have analogues for families of permutations. This paper is concerned with the notion of shattering for permutations. A family o…