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label graph vertices


greetings,
after having used for some time a very powerful program (Graphviz) for
displaying the graph structures I'm working on, I decided to give it a
try under Mathematica, since I use M. for many other related tasks.

I started from DiscreteMath`GraphPlot`, but from what I can see
everything is done using an adjacency matrix composed of (0,1)'s,
right?
That is, my problem is that I need to LABEL the vertices with a name,
instead of a position.
>From http://documents.wolfram.com/mathematica/functions/AdvancedDocumentationGraphPlot
I thought for a moment it was possible (e.g. see graph under
"MaximalBipartiteMatching" with Tom,Rob,Adam etc), but I then realized
it was demonstration-only, and no code is present to do it

am I right, or there is a way?

thanks for any help...

Alessandro Magni



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