Is it in general? $[\Lambda,\Omega]=i\hbar\{\lambda,\omega\}_{x,p}$
56933
What is the connection between Poisson brackets and commutators?
60990
Tricky operator identity: $[L^2,[L^2,\vec{r}]]=2 \hbar ^2 \{ L^2, \vec{r}\}$?
73367
On $E[E[Y|X]|X]= E[Y|X]$
49759
Proving that $i\hbar\frac{\partial}{\partial \mathbf{p}}$ is the operator of $\mathbf{x}$ in momentum space
117533
$|A-\lambda I|$ and $|\lambda I-A|$
109054
Given an infinite set of cardinality $X$, is there a chain in $\mathcal P(X)$ of the same cardinalty of $\mathcal P(X)$?
73406
Prove that $E_{\lambda}(T)=E_{\lambda^{-1}}(T^{-1})$ if $T$ is an invertible linear operator on a finite dimensional vector space $V$
111680
Why is the function $\Omega\rightarrow\mathbb{R}$ called a random variable?
56928
$\dfrac{pq}{r}+\dfrac{qr}{p}+\dfrac{pr}{q}\in\Bbb Z\,\Rightarrow\, \dfrac{pq}{r},\dfrac{qr}{p},\dfrac{pr}{q}\in\Bbb Z$
130765
Linear dependence of $\left\{x^{n}\,\colon\, n\in\mathbb{N}\right\}$
9246
Calculating $\prod (\omega^j - \omega^k)$ where $\omega^n=1$.
6270
Poincaré inequality for a subspace of $H^1(\Omega)$
133085
Is $\mathbb{R}^\omega$ endowed with the box topology completely normal (or hereditarily normal)?
103380
Is $\operatorname{height} \mathfrak{p} + \dim A / \mathfrak{p} = \dim A$ true?
98710
Finding $\int_0^{\infty}xe^{-\lambda x} \, dx$
52621
Why is $\det(A - \lambda I)$ zero?
129813
Is there an easy proof for ${\aleph_\omega} ^ {\aleph_1} = {2}^{\aleph_1}\cdot{\aleph_\omega}^{\aleph_0}$?