The momentum representation of $x$ and $ [x,p]$
94627
What's wrong with this derivation that $i\hbar = 0$?
154772
The Momentum Operator in QM
27086
proof for $\langle q| p \rangle = e^{ipq}$
78412
Representing a countable field by $\Bbb N$ [transport of algebraic structure]
128602
Some integral representations of the Euler–Mascheroni constant
100899
Coefficients of the characteristic polynomial
66610
Finding a correspondence between $\{0,1\}^A$ and $\mathcal P(A)$
29583
Characterization of the trace function
90778
Faithful representation of the Heisenberg group
69160
Show that the functor that takes $R$ to the set of invertible elements of $R[X]/(X^2-a)$ is representable.
111883
Representations of a product of Lie groups
145094
Is my basis for $U=\{p \in \mathcal P_4(\mathbb R) \mid p(6)=0\}$ correct?
100779
having a question on the symbol $dN_p$ when writing down its correspondence matrix
94896
Deriving a QM expectation value for a square of momentum $\langle p^2 \rangle$
106091
Showing $\mathcal{P}(X)$ is isomorphic to $2^X$
51209
A linear transformation satisfying $P^2 = P$
145462
On the canonical isomorphism between $V$ and $V^{**}$