Last call to make your voice heard! Our 2022 Developer Survey closes in less than a week. Take survey.
user avatar
user avatar
user avatar
ankit
  • Member for 1 year, 5 months
  • Last seen more than 1 year ago
26 votes
3 answers
8k views

How can I implement an n-bit Toffoli gate?

  • 1,542
14 votes
2 answers
3k views

Given a decomposition for a unitary $U$, how do you decompose the corresponding controlled unitary gate $C(U)$?

  • 2,354
9 votes
1 answer
293 views

What are the benefits of using quantum machine learning?

  • 303
7 votes
2 answers
3k views

Composing the CNOT gate as a tensor product of two level matrices

  • 811
7 votes
1 answer
1k views

How to reduce circuit elements of a decomposed $C^2(U)$ operation?

6 votes
2 answers
843 views

Why is super-dense coding called the inverse of quantum teleportation?

  • 491
5 votes
1 answer
2k views

What is the difference between signaling and non-signaling quantum correlations, and what is a signaling channel?

  • 734
5 votes
1 answer
396 views

What's an easy way to determine a local density matrix?

5 votes
2 answers
323 views

SWAP gate on 2 qubits in 3 entangled qubit system

5 votes
2 answers
424 views

Does the Quantum Fourier Transform (QFT) preserve entanglement?

4 votes
0 answers
82 views

What is the difference between intercept-resend attack and measure-resend attack?

4 votes
1 answer
296 views

How to transfer non maximally entangled state to maximally entangled?

  • 491
3 votes
1 answer
280 views

Intuitively, what does the quantum Fourier transform do?

2 votes
2 answers
927 views

What is the tensorial representation of the quantum swap gate?

  • 1,380
2 votes
1 answer
751 views

Projection operators and positive operators

  • 491
1 vote
3 answers
787 views

How to prove teleportation does not violate no-cloning theorem?