How to check a Lie algebra homomorphism
61593
Adjoint map is Lie homomorphism
68014
Prove that $\mathfrak{su}(2)$ is not isomorphic to $\mathfrak{sl}(2,\mathbb R)$
149772
How can a Lie subgroup of a matrix Lie group not be a matrix Lie group
27728
Question on a homomorphism of a set G.
68717
Complete reducibility of a representation of a lie algebra
40383
Is it true that $|g| = |\phi(g)|$ for all homomorphisms $\phi: G \to G$ and $g \in G$?
69361
How do you find the automorphism?
133660
When can a homomorphism be determined entirely by its generators
61334
Application of Main Homomorphism Theorem
32172
Homomorphisms of graded modules
20479
Radical of a Lie algebra bracket itself
40994
How to check that a cubic polynomial is irreducible?
107594
Lie bracket for Lie algebra of $SO(n,m)$
33455
Question on group homomorphisms involving the standard Z-basis
34234
Kernel of injective group homomorphism
101229
Lie algebra of $\left(\begin{smallmatrix}a & b\\ & a^2\end{smallmatrix}\right )$ in $GL_2(\mathbb{R})$
67842
Solvable equivalent to nilpotency of first derived Lie algebra?