Let x and y be two vertices of a Cayley digraph. Explain
Chapter 30, Problem 6E(choose chapter or problem)
Let x and y be two vertices of a Cayley digraph. Explain why two paths from x to y in the digraph yield a group relation—that is, an equation of the form a1a2 ··· am = b1b2 ··· bn, where the ai’s and bi’s are generators of the Cayley digraph.
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