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Jul 26, 2015 at 18:36 comment added hosain @ user75905 How can you prove it?
Jul 17, 2015 at 18:33 vote accept hosain
Jul 15, 2015 at 14:17 comment added user75905 This means block matrices $\begin{pmatrix}A&0\\0&B\end{pmatrix}$ where $A\in O(n),B\in O(1)$ and the whole matrix has determinant 1.
Jul 15, 2015 at 14:14 comment added hosain Can you tell me what you mean by S(O(n)×O(1))?
Jul 15, 2015 at 11:24 comment added user75905 A check by hand on the Lie algebras shows that it is not contained in a proper subgroup of bigger dimension.
Jul 15, 2015 at 11:14 review Low quality posts
Jul 15, 2015 at 11:19
Jul 15, 2015 at 10:59 history answered user75905 CC BY-SA 3.0