... >> Mathematics >> Algebraic Topology >> Reverse
Highest Rated Sign
Nobody has posted a sign yet.
Definition: Given the path f in X from x0 to x1, let g be the path defined by g(s)=f(1-s). It is called the reverse of f. Then [f]*[g] = [e_x0] and [g]*[f] = [e_x1].
Source: Topology (second edition) by James R. Munkres