A confusion about the proof of $\hat{p}|x\rangle=i\hbar\frac{\partial}{\partial x}|x\rangle,$ using $[\hat{x},\hat{p}]=i\hbar~?$
71187
How to prove $\hat{p}|x\rangle=i\hbar\frac{\partial}{\partial x}|x\rangle$,using $[\hat{x},\hat{p}]=i\hbar$?
122490
Proof of Parseval's identity
157297
Should the eigenkets be weighted in $|P\rangle = \sum\limits_{r}|\xi^r\rangle$?
90287
How to derive $[x_i, F(\vec p)] = i \hbar \frac {\partial F(\vec p)}{\partial p_i}$
102990
Prove or disprove: $S_{10} = \langle (1,3),(1,2, ... ,10) \rangle$
48563
If $\Gamma^k_{ij}(p)=0$, then $\nabla_{E_i}E_j (p)=0?$
94077
Proof of linear independence of $e^{at}$
79024
the derivation of E(X|X)
26658
A proof for $\nabla |u|^p = p\ \text{sgn}(u)|u|^{p-1}\nabla u$.
128932
Is my expansion of the state $| x \rangle$ correct?
49296
Prove $|(1+|u|^2)v-(1+|v|^2)u|>|u\bar{v}-\bar{u}v|$
83050
Show that $P[x]+\langle x\rangle $ is a prime ideal of $R[x]$.
20503
Meaning of inner product $\langle \vec{r} | \psi(t)\rangle $
27901
Proving $\sum\limits_{i=1}^k | \langle x,v_i \rangle \langle y,v_i\rangle| \leq \|x\|\cdot \|y\|$
111122
Proof of a theorem in Hilbert's system
58526
Proving Legendre's Formula
86717
Completeness of $\langle \mathscr{C} [0, 1], \| \cdot \|_1 \rangle$