Question: For each of the digraphs in Exercise 2.6.3, see if you can predict a collection of independent circuits. Verify your prediction by constructing a suitable

For each of the digraphs in Exercise 2.6.3, see if you can predict a collection of independent circuits. Verify your prediction by constructing a suitable basis of the cokernel of the incidence matrix and identifying each basis vector with a circuit.
Exercise 2.6.3
(a)

(b)

(c)

(d)

(e)

(f)

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