gives the vertex connectivity of the graph g.
VertexConnectivity[g, s, t]
gives the s-t vertex connectivity of the graph g.
- The vertex connectivity of a graph g is the smallest number of vertices whose deletion from g disconnects g.
- The s-t vertex connectivity is the smallest number of vertices who deletion from g disconnects g with s and t in two different connected components.
- For a disconnected graph, VertexConnectivity will return .
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