Copied Let \(S_g\) be the closed, orientable surface of genus \(g\). Calculate \(\pi _2(S_g)\) for all \(g\). Show that \(\pi _3(S_0)\) is non-trivial. (\(S_0\) is the 2-sphere.) Raw LaTeX \begin{enumerate} \item Let \(S_g\) be the closed, orientable surface of genus \(g\). Calculate \(\pi_2(S_g)\) for all \(g\). \item Show that \(\pi_3(S_0)\) is non-trivial. (\(S_0\) is the 2-sphere.) \end{enumerate} Topic Tags Homotopy Groups Orientability and Volume Forms Smooth Manifolds and Embedded Submanifolds Surface Topology and Surface Groups