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Awarded 374 times.
Does anyone has some code for Mathematica or Python to convert a diagonal matrix into Dirac (bra-ket) notation?
Awarded 19 hours ago
How to build a CNOT out of universal CCNOT gates?
Awarded Nov 7 at 19:05
Is there a mistake in the VQE Ansatz in Cirq's tutorial?
Awarded Nov 6 at 15:15
Effects of quantum computing on parallel universes
Awarded Nov 5 at 14:10
Qiskit - Authorization Required error
Awarded Nov 5 at 3:40
How do quantum states collapse to the right answer?
Awarded Nov 4 at 18:40
Effects of quantum computing on parallel universes
Awarded Nov 4 at 14:10
Location of “bad” qubits on Sycamore
Awarded Oct 30 at 18:50
Burnside Decomposition in Kuperberg's Hidden Shift
Awarded Oct 28 at 9:05
Quantum Supremacy: Some questions on cross-entropy benchmarking
Awarded Oct 26 at 22:20
What does Google's claim of “Quantum Supremacy” mean for the question of BQP vs BPP vs NP?
Awarded Oct 24 at 9:30
Quantum computer vs. supercomputer performance
Awarded Oct 20 at 17:55
(post deleted or otherwise unavailable)
Awarded Oct 17 at 21:35
How to prove that antipodal points on the Bloch sphere are orthogonal?
Awarded Oct 14 at 19:45
Is my background sufficient to start quantum computing?
Awarded Oct 14 at 16:10
Is my background sufficient to start quantum computing?
Awarded Oct 14 at 16:10
Why can we forget about the ancilla bit in Grover's algorithm?
Awarded Oct 13 at 8:20
Exploring quantum computing with Qiskit
Awarded Oct 9 at 7:15
Can quantum computing contribute to the development of artificial intelligence?
Awarded Oct 7 at 12:15
Location of “bad” qubits on Sycamore
Awarded Oct 6 at 12:55
QAOA Maxcut for larger qubits
Awarded Oct 3 at 22:20
How to factor the output of a CNOT acting on the input $|-,+\rangle$
Awarded Oct 2 at 11:15
Understanding Google's “Quantum supremacy using a programmable superconducting processor” (Part 1): choice of gate set
Awarded Oct 1 at 18:30
Why use inner and outer product?
Awarded Sep 30 at 19:35
What is a “barrier” in Qiskit circuits?
Awarded Sep 30 at 18:10
How many combinations can 'n' qubits have?
Awarded Sep 29 at 9:10
How many combinations can 'n' qubits have?
Awarded Sep 29 at 9:10
How do I compute the Relative Entropy between pure and mixed states?
Awarded Sep 28 at 0:05
In Qiskit, when creating multi-bit quantum and classical registers, what is the ordering of MSB to LSB?
Awarded Sep 27 at 8:55
Is there a quantum algorithm allowing to efficiently determine the state with the highest probability of occurring?
Awarded Sep 25 at 10:40
How to unpickle a Result object returned by an IBMQ experiment?
Awarded Sep 24 at 14:20
IBM Q devices scheduling of gates with different durations
Awarded Sep 23 at 18:40
Why does entanglement not increase the classical capacity of a channel?
Awarded Sep 20 at 17:00
Question on using the Collect2qBlocks() and ConsolidateBlocks() optimizations
Awarded Sep 19 at 14:20
How do I build a gate from a matrix on Qiskit?
Awarded Sep 19 at 10:30
What are the possible ways to visualise large, entangled states?
Awarded Sep 12 at 14:05
What is quantum entanglement, and what role does it play in quantum error correction?
Awarded Sep 11 at 22:10
Cirq, qiskit, q#, ibmq(circuit board), other
Awarded Sep 11 at 8:30
(Quantum Computing/Machine Learning) Estimate of the absolute value of the probability amplitude of |0⟩ in the superposition?
Awarded Sep 4 at 22:00
Is $\frac{1}{\sqrt{N}}\sum_{j=0}^{N-1}e^{2\pi ixj \left/\phantom\vert\!{N} \right.}|j\rangle |j\rangle$ a valid entangled quantum state?
Awarded Sep 4 at 6:00
How to get amplitudes only for chosen qubits?
Awarded Sep 2 at 18:10
Intuitive meaning of the eigenvalues and eigenvectors of a reduced density matrix
Awarded Aug 31 at 16:25
Using Qiskit with Blender
Awarded Aug 26 at 19:05
Explicit Lieb-Robinson Velocity Bounds
Awarded Aug 25 at 7:55
Using Qiskit with Blender
Awarded Aug 23 at 20:40
How is the Controlled Z Gate implemented?
Awarded Aug 23 at 20:40
Is there any meaning for a density operator if we omit the j-th row and column in quantum mechanics?
Awarded Aug 23 at 8:05
Grover's algorithm in a nutshell
Awarded Aug 21 at 4:55
How do 2 Hadamard gates act on a single qubit?
Awarded Aug 17 at 10:25
How do I interpret the readout error for a quantum computer?
Awarded Aug 13 at 18:40
Q#: How to setup a project correctly (on Linux, command line)?
Awarded Aug 13 at 7:15
Number of Qubits Required for Simulation of Caffeine and Penicillin Molecules
Awarded Aug 11 at 0:40
In what ways can qubits be used for applications that do not require entanglement?
Awarded Aug 9 at 10:25
Questions about theorem and proof: “Quantum error correction condition”, Thm 10.1 Nielsen & Chuang
Awarded Aug 5 at 16:35
How to amplify a specific part of the quantum state
Awarded Aug 2 at 5:00
Is phase factor negligible in fidelity of quantum states?
Awarded Jul 29 at 10:05
Decomposition of a matrix in the Pauli basis
Awarded Jul 29 at 0:55
How to initialize classical register in Qiskit?
Awarded Jul 24 at 15:00
How to integrate Simulaqron on ProjectQ
Awarded Jul 22 at 18:50
What does fidelity mean?
Awarded Jul 20 at 22:55
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