16 citations · 16 across the 2 of their papers we have counts for
2 papers
math.CO2013
Infinite strict gammoids
Hadi Afzali, Hiu-Fai Law, Malte Müller
Finite strict gammoids, introduced in the early 1970's, are matroids defined via finite digraphs equipped with some set of sinks: a set of vertices is independent if it admits a li…
math.CO2012★ 16 cited
Thin sums matroids and duality
Hadi Afzali, Nathan Bowler
Thin sums matroids were introduced to extend the notion of representability to non-finitary matroids. We give a new criterion for testing when the thin sums construction gives a ma…