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Quantum Computing
Vladimir Lysikov's user avatar
Vladimir Lysikov's user avatar
Vladimir Lysikov's user avatar
Vladimir Lysikov
  • Member for 5 years, 4 months
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Postdoc at the Quantum Information chair of Ruhr University Bochum.

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Top posts
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6
Finding the eigenvalues of a qutrit state
Nov 21, 2023
answer
4
How do you work out the matrix for controlled-U operations?
Dec 26, 2023
answer
4
Evolution of a state vector: Why is the action of $N$ equivalent to the action of $UNU^{†}$?
Feb 19
answer
4
In exercise 8.23 of Nielsen and Chuang why is the quantum operation no longer trace-preserving?
Jul 21
answer
3
What is the difference between classical-quantum and completely classical states?
Dec 2, 2023
answer
2
How doesn't combining two eigenvectors that have the same eigenvalue for a specific matrix represent every vector left in the plane?
Dec 29, 2023
answer
2
Quantum Phase Estimation answers distribution
Feb 17
answer
1
Quantum Cryptography without Bell's Theorem -- Brassard - Bennett - Mermin
Jul 20
answer
1
Decomposing a $4 \times 4$ unitary matrix into 2-level unitary matrices
Dec 27, 2023
answer
1
Decomposition of a $4 \times 4$ unitary matrix
Nov 29, 2023
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14
Number of binary gates needed to compute AND and OR of n input bits simultaneously
11
Hilbert space question: if $M=\{f\in L^2(0,+\infty)\ |\ \int_0^\infty f^2(x)e^xdx<+\infty\}$, what is $M^\perp$?
11
What algorithm(s) do numpy and scipy use to calculate matrix inverses?
9
What is expected (border) rank of the knonecker product of 3-tensors
9
Matrix multiplication with transpose