Why is Killing form $ad$-invariant?
54094
Showing killing form is Ad-invariant
22133
Why is the covariant derivative of the determinant of the metric zero?
13020
Proof for the funky trace derivative : $d (\operatorname{trace} (ABA'C))$?
52621
Why is $\det(A - \lambda I)$ zero?
65873
A proof for Atiyah-Macdonald Exercise I.21.iii
141794
Invariant subspaces of specific dimension
107992
Bilinear form with symmetric "perpendicular" relation is either symmetric or skew-symmetric
13018
Why is $1^{\infty}$ considered to be an indeterminate form
102436
Two different definitions of Jordan canonical form
24072
Intuitive explanation of why $\dim\operatorname{Im} T + \dim\operatorname{Ker} T = \dim V$
56775
Finding minimal form -- Velleman exercise 1.5.7a
136791
Associative Lie algebra
36826
Products of Differential Operators
59055
Diagonalizable transformation restricted to an invariant subspace is diagonalizable
153574
Uniqueness of Artin-Wedderburn decomposition
26249
Self adjoint operators and trace class property
87940
Question about bilinear form on Hilbert space