\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Results for a=1}{}% 2
\BOOKMARK [1][-]{section.3}{Results for a=2}{}% 3
\BOOKMARK [1][-]{section.4}{Results for a=3}{}% 4
\BOOKMARK [1][-]{section.5}{Proof of Theorem 35 and Theorem 36}{}% 5
\BOOKMARK [1][-]{section.6}{Acknowledgments}{}% 6