We call a hypergraph bipartite if there is with and both nonempty for all . If is not bipartite and all members are infinite, do ...

Least number of infinite edges in non-bipartite hypergraph – mathoverflow.net
Dominic van der Zypen

We call a hypergraph H=(V,E) bipartite if there is S⊆V with e∩S and e∖S both nonempty for all e∈E. If (ω,E) is not bipartite and all members are infinite, do ...