A. Jobson

activity

20152020

most citedAll minor-minimal apex obstructions with connectivity two

6 citations · 11 across the 6 of their papers we have counts for

collaborators

Showing 2019Show all

2 papers · 1 filter

math.CO2019

Petruska's question on planar convex sets

Adam S. Jobson, André E. Kézdy, Jenő Lehel +2

Given $2 k - 1$ convex sets in $R^{2}$ such that no point of the plane is covered by more than $k$ of the sets, is it true that there are two among the convex sets whose union contains…

math.CO2019★ 1 cited

On a conjecture of Szemerédi and Petruska

Adam S. Jobson, André E. Kézdy, Tim Pervenecki

Consider a $3$ -uniform hypergraph of order $n$ with clique number $k$ such that the intersection of all its $k$ -cliques is empty. Szemerédi and Petruska proved $n \leq 8 m^{2} + 3 m$ , for…