Is there such a fixed relation between the depth first traverse sequences of a digraph？

For example this digraph, start from s1, we can realize depth first traverse by different sequences such as { s1 t1 s2 t3 s3 t4 s1 t5 s3, s1 t2 s2} or {s1 t5 s3 t4 s1 t2 s2 t3 s3, s1 t1 s2}. I...

04 April 2016 8,951 5 View