Positive co-degree density of hypergraphs

Anastasia Halfpap, Nathan Lemons, Cory Palmer

The \emph{minimum positive co-degree} of a non-empty $r$-graph $H$, denoted ${\delta }_{r-1}^{+}(H)$, is the maximum $k$ such that if $S$ is an $(r-1)$-set contained in a hyperedge of $…