\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Recognizability}{}% 2
\BOOKMARK [1][-]{section.3}{Proof of Theorem 3}{}% 3
\BOOKMARK [1][-]{section.4}{Proof of Theorem 4}{}% 4
\BOOKMARK [1][-]{section.5}{Recognizability of powers of morphisms}{}% 5
\BOOKMARK [1][-]{section.6}{Acknowledgments}{}% 6