Question: a) It can be assumed that each node in the minimum cost network flow problem has at least two arcs. Why? b) Sum of dual

a) It can be assumed that each node in the minimum cost network flow problem has at least two arcs. Why?

b) Sum of dual slacks for a cycle is a constant. What is it?

c) On the picture below you can see a solution to find the shortest distance from A to F. Formulate this shortest path problem.

a) It can be assumed that each node in the minimum cost

10 11 F E 3 B 151 C 2 A

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