ankit
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3 answers
24 votes
8k views
19 bookmarks
How can I implement an n-bit Toffoli gate?
2 answers
14 votes
3k views
4 bookmarks
Given a decomposition for a unitary $U$, how do you decompose the corresponding controlled unitary gate $C(U)$?
1 answers
8 votes
245 views
2 bookmarks
What are the benefits of using quantum machine learning?
2 answers
7 votes
3k views
3 bookmarks
Composing the CNOT gate as a tensor product of two level matrices
2 answers
6 votes
787 views
2 bookmarks
Why is super-dense coding called the inverse of quantum teleportation?
1 answers
5 votes
2k views
3 bookmarks
What is the difference between signaling and non-signaling quantum correlations, and what is a signaling channel?
1 answers
5 votes
1k views
7 bookmarks
How to reduce circuit elements of a decomposed $C^2(U)$ operation?
1 answers
5 votes
293 views
2 bookmarks
What's an easy way to determine a local density matrix?
2 answers
5 votes
207 views
2 bookmarks
SWAP gate on 2 qubits in 3 entangled qubit system
2 answers
5 votes
360 views
3 bookmarks
Does the Quantum Fourier Transform (QFT) preserve entanglement?
1 answers
4 votes
259 views
1 bookmarks
How to transfer non maximally entangled state to maximally entangled?
0 answers
4 votes
69 views
1 bookmarks
What is the difference between intercept-resend attack and measure-resend attack?
1 answers
3 votes
219 views
1 bookmarks
Intuitively, what does the quantum Fourier transform do?
2 answers
2 votes
756 views
2 bookmarks
What is the tensorial representation of the quantum swap gate?
1 answers
2 votes
628 views
2 bookmarks
Projection operators and positive operators
3 answers
1 votes
728 views
1 bookmarks
How to prove teleportation does not violate no-cloning theorem?