Algebra Problems: Graphs and Functions
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1.) An edge of a graph "G" is a bridge of "G" If and only if there exist vertices "U" and "W" such that "e" is on every U - W path of "G".
2.) A graph "G" of order at least 3 is Non Separable if and only if there exist two internally disjoint U - V paths for every two distinct vertices "U" and "V" of "G".
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Solution Summary
The following posting helps with problems involving graphs and functions
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Proof:
1. If an edge of a graph G is a bridge, then the removal of this edge will disconnect the graph.
"=>": If e is a bridge, then I remove e from the graph G, then G has at least two disconnected components. I select vertex U in one component and W in another component, then U and W are disconnected ...
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