Eric Forgy graph operator

Warning: Under Construction

1= vG 0π v1 = \sum_{v\in G_0} \pi_v
G= eG 1π eG = \sum_{e\in G_1} \pi_e
G˜=11\tilde G = 1\otimes 1

category: maths

Revised on January 5, 2009 at 19:27:55 by Eric Forgy