11 citations · 16 across the 13 of their papers we have counts for
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math.CO2013
Matchings and Hamilton Cycles with Constraints on Sets of Edges
J. Robert Johnson
The aim of this paper is to extend and generalise some work of Katona on the existence of perfect matchings or Hamilton cycles in graphs subject to certain constraints. The most ge…
math.CO2013★ 1 cited
Set Systems Containing Many Maximal Chains
J. Robert Johnson, Imre Leader, Paul A. Russell
The purpose of this short problem paper is to raise an extremal question on set systems which seems to be natural and appealing. Our question is: which set systems of a given size…