Today I am grateful because I learned that "a semisimple Lie subgroup of a simply connected Lie group is always closed [1] pg 615" and I needed it for my research. :D
Bobinas P4G is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Bobinas P4G content and data are available under the Creative Commons Attribution 3.0 license.