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GaussStrife

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 2 years, 5 months
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4 How can the Holevo bound be used to show that $n$ qubits cannot transmit more than $n$ classical bits? Aug 1 '20
4 Partial Trace of Werner State Dec 20 '20
3 Why is a conjugate transpose of $|+\rangle$ a vector $1/\sqrt{2} (\langle0| + \langle1|)$? Sep 30 '20
3 Circuit to construct a $n$-qubit state which is a superposition of states with only a single qubit being $\lvert1\rangle$ [duplicate] Nov 2 '18
2 How does a $d\times\ell$ matrix of rank $\ell$ and with singular values all equal to 1 imply it is maximally entangled Oct 9 '20
2 Under what situation is $\sum_{i} p_{i}S(\rho_i)$ > 0 Jun 12 '20
2 How is $S(\rho)=H(p_{i})+\sum_{i}p_{i}S(\rho_{i})\le \log(d)$ possible if $\rho_{i}$ are not pure states? Aug 23 '20
2 $N(\frac{1}{2},2)=3$ for vectors in a Hilbert Space Aug 18 '20
2 Derivation of the identity $\sum_j p_j \langle \psi_j|M|\psi_j \rangle = \sum_j p_j \operatorname{tr}\left(|\psi_j \rangle \langle \psi_j|M\right)$ Jan 29
2 How do you CNOT between qubits faraway from each other? Aug 7 '20
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