Isotropy algebra for $U(n)$?
114626
Lie Algebra of U(N) and SO(N)
89990
Direct limit of arbitrary family of tensor products of A-algebras
74884
Tensor product in dual-space
121802
Prove that every self-adjoint unitary linear operator can be expressed in the form $U\alpha = \beta - \gamma$
29756
Classsifying 1- and 2- dimensional Algebras, up to Isomorphism
81188
$SO(3)$, orbital angular momentum, vector product
36262
Linear algebra for quantum physics
37928
Isomorphism between $D_{2n}/Z(D_{2n})$ and $D_n$
128866
Isomorphism between dual space and bilinear forms
59021
What is the most general expression for the coordinate representation of momentum operator?
115414
Lie Algebra of $SL_n(\mathbb H)$
157742
Prove that $U(n)$ is a manifold
71681
Asymptotic expansion of $u_{n + 1} = \frac12 \arctan(u_n)$
146772
Poisson brackets of three dimensional angular momentum and its Lie algebra
105660
Invariance of action $\Rightarrow$ covariance of field equations?
64907
Integral representation $B_T^3$
34147
$\|u\|\leq \|u+av\| \Longrightarrow \langle u,v\rangle=0$