Talk:Graph (graph theory)
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Things that need to be added to this article:
- A proper definition of a graph. ("Formally, a graph
is a pair, 
, of a set 
of vertices together with a subset 
of pairs of members of .") - Directed graphs, multigraphs, loopless graphs, simple graphs, and the distinctions between these.
- "Path," "tree," "forest," "circuit" or "cycle," "Hamiltonian path" (and circuit and cycle), etc.
- To distinguish between a formal graph (a pair of two sets) and a geometric realization of a graph.
- Most of these words deserve their own page and so should be linked to.
is a pair, 
, of a set 
of vertices together with a subset 
of pairs of members of I would have started doing this, but the first two points together are difficult to integrate into a single intro section. Help would be appreciated. --JBL 10:20, 4 January 2008 (EST)
