26 Mar
2009
26 Mar
'09
10 p.m.
IIRC, hypergraphs are only "undirected". An edge is represented as a set of vertices, that is, as an element of the powerset of vertices.
This is incorrect. http://www.cis.upenn.edu/~lhuang3/wpe2/papers/gallo92directed.pdf Andrew Sutton andrew.n.sutton@gmail.com