How to construct an isomorphism between the Complexified Special Linear Lie Group and the Special Unitary Group?
108325
What's the relationship between $SL(2,\mathbb{C})$, $SU(2)\times SU(2)$ and $SO(1,3)$?
68717
Complete reducibility of a representation of a lie algebra
54119
Product of $SU(2)$ representations
123595
Representations of Direct Sum of Lie Algebras
146812
Explicit construction for unitary extensions of completely positive and trace preserving (CPTP) maps?
72548
Lie group embeddings $SO(10) \supset SU(3) \times SU(2) \times U(1)?$
145462
On the canonical isomorphism between $V$ and $V^{**}$
36142
What is $\mathbb Z \oplus \mathbb Z / \langle (2,2) \rangle$ isomorphic to?
9565
Is there an easy way to show which spheres can be Lie groups?
75988
Explicit isomorphism $S_4/V_4$ and $S_3$
102284
$GL(n,\mathbb R)/SL(n,\mathbb R)$ is isomophic to $\mathbb R^\times$
37928
Isomorphism between $D_{2n}/Z(D_{2n})$ and $D_n$
18687
First and second homotopy groups of a connected Lie group
44923
Show that matrix under addition is isomorphic with the group of complex numbers under addition
32896
Vector spaces for the irreducible representations of the Lorentz Group
112216
Geometric description of canonical commutation relation
128603
Lie algebra and tangent space at the identity are isomorphic