How to compute $\langle n'| (a^++a)^k | n \rangle$ for arbitray $k$?
112987
Exponential of ladder operators acting on a Fock state
27901
Proving $\sum\limits_{i=1}^k | \langle x,v_i \rangle \langle y,v_i\rangle| \leq \|x\|\cdot \|y\|$
129732
What is $\operatorname{Aut}(\mathbb{Z}_2\oplus \mathbb{Z}_2)$?
7418
The Center of $\operatorname{GL}(n,k)$
55377
Non-zero eigenvalues of $AA^T$ and $A^TA$
76100
Showing that $\left\langle a,b \mid abab^{-1}\right\rangle \cong \pi_1(K) \cong \left\langle c,d \mid c^2 d^2 \right\rangle$
32735
If $ \langle G, \star \rangle $ is an abelian group, then for all $a, b \in G$, show that $(a \star b)^{n} = a^{n} \star b^{n}$.
150199
How to prove for a finite group that $|\langle g \rangle|=o(g)$?
31919
What can we say about the inner product $\langle f(t),f'(t) \rangle$?
86717
Completeness of $\langle \mathscr{C} [0, 1], \| \cdot \|_1 \rangle$
147968
Calculate the Factor Group $(\mathbb{Z}_4 \times \mathbb{Z}_6)/\langle(0,2)\rangle$
30172
Why is the order of $\mathbb{Z}[i]/\langle 3+i\rangle$ equal to 10?
149923
eigenvalues of A - aI in terms of eigenvalues of A
45626
How do I calculate the eigenvalues of the positive partial transpose of this two-qubit state?
34147
$\|u\|\leq \|u+av\| \Longrightarrow \langle u,v\rangle=0$
45028
How to show that $\langle a \rangle$ is a subgroup of a group $G$, where $a$ is in center of the group $G$
20503
Meaning of inner product $\langle \vec{r} | \psi(t)\rangle $