User James

4 votes

What is period finding useful for in Shor's algorithm?

answered May 30, 2023 at 18:11

3 votes

What is the algebraic result of the matrix exponential operation $e^{i A}|b\rangle$?

answered Jun 18, 2023 at 20:02

2 votes

How to show that the three-qubit repetition code only corrects up to 1-bit flip errors?

answered Jun 2, 2023 at 14:49

2 votes

How to implement the Circuit of Steane code for Quantum Error Correction?

answered Jun 3, 2023 at 17:44

1 vote

Clarification regarding application of distributive property in "quantum teleportation" example

answered May 31, 2023 at 18:06

1 vote

Grover's algorithm in a nutshell

answered Jun 1, 2023 at 14:56

1 vote

Can you distinguish between $|0\rangle, |1\rangle$, and $\frac{1}{\sqrt 2} (|0\rangle + |1\rangle)$?

answered Jun 15, 2023 at 18:51

1 vote

Where I can read about protein folding on quantum computers with simple examples?

answered Jun 26, 2023 at 17:49

0 votes

Is there a quantum algorithm for the closest vector problem on a 2-dimensional lattice?

answered Jun 27, 2023 at 22:21

0 votes

The effect of CNOT gate on The control qubit

answered Jul 17, 2023 at 18:42

0 votes

Is there a way I can create an ansatz such that the number of 1 is same in all the superposition states?

answered Jul 19, 2023 at 17:27

0 votes

Distributing entanglement using entanglement swapping

answered Jul 20, 2023 at 22:46

0 votes

Understanding the output of a Deutsch-Jozsa circuit

answered Jun 24, 2023 at 1:08

0 votes

How to determine with local measurements which Bell state we have?

answered May 31, 2023 at 16:33

0 votes

How to understand Quantum Fourier Transform measurement output?

answered Jun 7, 2023 at 17:28

0 votes

How does the V gate perform modular exponentiation?

answered Jun 9, 2023 at 15:42

0 votes

A concrete 4-qubit circuit that computes $ a^j \mod{15}$?

answered Jun 14, 2023 at 22:41

-1 votes

Image classification using quantum variational circuit?

answered Jun 25, 2023 at 17:25

-1 votes

4-cities traveling salesman quantum algorithm (QUBO)

answered Jun 16, 2023 at 4:39

-1 votes

How to tell if an $n$-qubit state is entangled?

answered Jul 9, 2023 at 21:13

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20 Answers

What is period finding useful for in Shor's algorithm?

What is the algebraic result of the matrix exponential operation $e^{i A}|b\rangle$?

How to show that the three-qubit repetition code only corrects up to 1-bit flip errors?

How to implement the Circuit of Steane code for Quantum Error Correction?

Clarification regarding application of distributive property in "quantum teleportation" example

Grover's algorithm in a nutshell

Can you distinguish between $|0\rangle, |1\rangle$, and $\frac{1}{\sqrt 2} (|0\rangle + |1\rangle)$?

Where I can read about protein folding on quantum computers with simple examples?

Is there a quantum algorithm for the closest vector problem on a 2-dimensional lattice?

The effect of CNOT gate on The control qubit

Is there a way I can create an ansatz such that the number of 1 is same in all the superposition states?

Distributing entanglement using entanglement swapping

Understanding the output of a Deutsch-Jozsa circuit

How to determine with local measurements which Bell state we have?

How to understand Quantum Fourier Transform measurement output?

How does the V gate perform modular exponentiation?

A concrete 4-qubit circuit that computes $ a^j \mod{15}$?

Image classification using quantum variational circuit?

4-cities traveling salesman quantum algorithm (QUBO)

How to tell if an $n$-qubit state is entangled?