27 citations · 100 across the 31 of their papers we have counts for
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math.NT2007★ 6 cited
Heights in finite projective space, and a problem on directed graphs
Melvyn B. Nathanson, Blair D. Sullivan
Let $\F_p = \Z/p\Z$. The \emph{height} of a point $\mathbf{a}=(a_1,..., a_d) \in \F_p^d$ is Explic…
math.CO2007★ 3 cited
Cycles in dense digraphs
Maria Chudnovsky, Paul Seymour, Blair D. Sullivan
Let G be a digraph (without parallel edges) such that every directed cycle has length at least four; let denote the size of the smallest subset X in E(G) such that $G\X$ has…