\BOOKMARK [1][-]{section.1}{Introduction}{}% 1 \BOOKMARK [1][-]{section.2}{Some basic background material}{}% 2 \BOOKMARK [1][-]{section.3}{Approximating differential equations on manifolds}{}% 3 \BOOKMARK [2][-]{subsection.3.1}{A first attempt at a numerical approximation}{section.3}% 4 \BOOKMARK [2][-]{subsection.3.2}{Approximating the exponential map}{section.3}% 5