H2 {HyperG}

Two sections of a hypergraph.

Description

Two section of a hypergraph.

Usage

H2(h)

Arguments

h

a hypergraph.

Details

The 2-section of a hypergraph is the graph with vertices corresponding to hyper-edges, and edges corresponding to whether the hyper-edges intersect.

Value

a graph.

Author(s)

David J. Marchette [e-mail]

References

Voloshin, Vitaly I. Introduction to graph and hypergraph theory. Nova Science Publ., 2009.

Examples

h <- hypergraph_from_edgelist(list(c(1,2,5),c(2,3,5),c(3,4),c(4,5)))
g <- H2(h)
## see Figure 7.11 of the reference.