\begin{section}{Cone}
The dual cone of $K$ is $\dual{K}$. Some familiar symmetric cones
are $\Rnplus$, $\Lnplus$, $\Snplus$, and $\Hnplus$. If cones
\begin{section}{Cone}
The dual cone of $K$ is $\dual{K}$. Some familiar symmetric cones
are $\Rnplus$, $\Lnplus$, $\Snplus$, and $\Hnplus$. If cones