How to compute partial trace of $U ( \rho_A \otimes \rho_B) U^+$?
29174
Trouble with operator-sum representation of a quantum operation
78075
Why can I apply $HS^\dagger$ and then measure in the computational basis to measure $Y$?
54294
Can the product $AB$ be computed using only $+, -,$ and reciprocal operators?
157751
Relationship between Partial Harmonic Sum and Logarithm.
81868
How to prove $\operatorname{Tr}(AB) = \operatorname{Tr}(BA)$?
146300
Fast way to create $[ I_4\otimes e_1,\ \dots ,\ I_4 \otimes e_T]$?
28416
Show that $\partial_\nu T^{\mu\nu} = - j_\nu F^{\mu\nu}$
38850
How to show Von Neumann Trace inequality $ \text{Tr}(AB) \leq \sum_{i=1}^n \sigma_{A,i}\sigma_{B,i} $?
101473
Tensor product of a sheaf of module and a residue field
8374
How to prove that $R/I \otimes_R M \cong M / IM$
141258
Why does $M \mathbin{\otimes_R} N \cong M_\mathfrak{p} \mathbin{\otimes_{R_\mathfrak{p}}} N$?
40805
Solve $u_t=u_{xx}+u_x$
79276
Find $\min(\operatorname{trace}(AA^T))$ for invertible $A_{n\times n}$
151721
Uhlmann's Theorem: proof of $\text{tr}(A^{\dagger} B) = \langle m | A \otimes B |m\rangle $
39080
What is the spectrum of $\hat x \hat p + \hat p \hat x$?
27812
Understanding the differential $dx$ when doing $u$-substitution
23224
$\mbox{rank}(A)=1$ implies $\det(A+I)=\mbox{trace}(A)+1$