To get a flavor for how Lovasz' graph theoretic work helps untangle network snarls, check out his survey paper that has many examples using electronic current flow through a network:
He also has a cool interactive downloadable Windows application that illustrates the "rubber band method" of unsnarling networks for easier analysis (connections are stretched like rubber bands so that their graph has no lines crossing over each other, making for easier viewing):
Blog That A-Ha Moment Larry Desjardin 10 comments Have you ever had an a-ha moment? Sure, you have. The Merriam-Webster dictionary defines it as "a moment of sudden realization, inspiration, insight, recognition, or ...